Common use of Capital Contribution Certificate Clause in Contracts

Capital Contribution Certificate. We hereby certify that Hangzhou Xianfeng Investment Partnership (Limited Partnership) (uniform social credit code: 91330104397509613D) has contributed RMB 67,146.50 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 0.5286% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17, 2018 We hereby certify that Chengdu Nibilu Technology Co., Ltd. (uniform social credit code: 91510100672173748G) has contributed RMB 134,293.00 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 1.0572% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17, 2018 We hereby certify that Beijing Pansheng Investment Management Co., Ltd. (uniform social credit code: 91110105062794643Q) has contributed RMB 242,864.82 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 1.9120% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17, 2018 We hereby certify that Beijing Mosi Investment Co., Ltd. (uniform social credit code: 91110105358330813G) has contributed RMB 175,590.31 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 1.3824% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17, 2018

Capital Contribution Certificate. We hereby certify that Hangzhou Xianfeng Gongqingcheng Xxxxx Investment Fund Partnership (Limited Partnership) (uniform social credit code: 91330104397509613D91641200MA75WPB237) has contributed RMB 67,146.50 490,853.66 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 0.52863.8643% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17, 2018 We hereby certify that Chengdu Nibilu Technology Co., Ltd. Shenzhen Xianfeng Growth Investment Partnership (Limited Partnership) (uniform social credit code: 91510100672173748G91440300354447723J) has contributed RMB 134,293.00 121,951.22 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 1.05720.9601% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17, 2018 We hereby certify that Beijing Pansheng Gongqingcheng Dianliang Investment Management Co., Ltd. Partnership (Limited Partnership) (uniform social credit code: 91110105062794643Q91360405MA35KGDN07) has contributed RMB 242,864.82 365,853.66 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 1.9120% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17, 2018 We hereby certify that Beijing Mosi Investment Co., Ltd. (uniform social credit code: 91110105358330813G) has contributed RMB 175,590.31 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 1.38242.8803% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17, 2018

Capital Contribution Certificate. We hereby certify that Hangzhou Xianfeng Beijing Lingfeng Investment Partnership Center (Limited Partnership) (uniform social credit code: 91330104397509613D911101083512993232) has contributed RMB 67,146.50 585,109.14 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 0.52864.6064% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17, 2018 We hereby certify that Chengdu Nibilu Technology Co., Ltd. Zhenzhi Chengyuan Equity Investment Center of Ningbo Meishan Bonded Port Area (Limited Partnership) (uniform social credit code: 91510100672173748G91330206MA28236F8Q) has contributed RMB 134,293.00 234,913.63 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 1.0572% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17, 2018 We hereby certify that Beijing Pansheng Investment Management Co., Ltd. (uniform social credit code: 91110105062794643Q) has contributed RMB 242,864.82 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 1.9120% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17, 2018 We hereby certify that Beijing Mosi Investment Co., Ltd. (uniform social credit code: 91110105358330813G) has contributed RMB 175,590.31 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 1.38241.8494% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17, 2018

Capital Contribution Certificate. We hereby certify that Hangzhou Xianfeng Investment Tianjin Ronghui Hetou Enterprise Management Partnership (Limited Partnership) (uniform social credit code: 91330104397509613D91120111300417406M) has contributed RMB 67,146.50 10,870.12 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 0.5286% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17, 2018 We hereby certify that Chengdu Nibilu Technology Co., Ltd. (uniform social credit code: 91510100672173748G) has contributed RMB 134,293.00 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 1.05720.0856% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17, 2018 We hereby certify that Beijing Pansheng Investment Management Tiaozhanzhe Technology Co., Ltd. (uniform social credit code: 91110105062794643Q91110108599625014T) has contributed RMB 242,864.82 93,670.88 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 1.9120% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17, 2018 We hereby certify that Beijing Mosi Investment Co., Ltd. (uniform social credit code: 91110105358330813G) has contributed RMB 175,590.31 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 1.38240.7374% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17, 2018

Capital Contribution Certificate. We hereby certify that Hangzhou Xianfeng Investment Partnership (Limited Partnership) Beijing Qianxian Technology Co., Ltd. (uniform social credit code: 91330104397509613D91110108335431961K) has contributed RMB 67,146.50 85,006.32 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 0.52860.6692% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17, 2018 We hereby certify that Chengdu Nibilu Technology Horgos Tiaozhanzhe Venture Capital Co., Ltd. (uniform social credit code: 9151010067217374891654004MA77E22X0G) has contributed RMB 134,293.00 8,664.56 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 1.0572% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17, 2018 We hereby certify that Beijing Pansheng Investment Management Co., Ltd. (uniform social credit code: 91110105062794643Q) has contributed RMB 242,864.82 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 1.9120% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17, 2018 We hereby certify that Beijing Mosi Investment Co., Ltd. (uniform social credit code: 91110105358330813G) has contributed RMB 175,590.31 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 1.38240.0682% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17, 2018

Capital Contribution Certificate. We hereby certify that Hangzhou Xianfeng Investment Partnership Ningxia Haozhong Management Consulting Center (Limited Partnership) (uniform social credit code: 91330104397509613D91110105MA0066QR21) has contributed RMB 67,146.50 2,218,853.12 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 0.528617.4684% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17, 2018 We hereby certify that Chengdu Nibilu Technology Co., Ltd. Xiaochang Shuimu Investment Center (Limited Partnership) (uniform social credit code: 91510100672173748G91420921399722661A) has contributed RMB 134,293.00 1,478,057.39 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 1.057211.6363% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17, 2018 We hereby certify that Beijing Pansheng Oumu Lianghe Investment Management Co., Ltd. (uniform social credit code: 91110105062794643Q91110105318277042R) has contributed RMB 242,864.82 48,047.95 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 1.91200.3783% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17, 2018 We hereby certify that Beijing Mosi Investment Ganquan Huizhi Assets Management Co., Ltd. (uniform social credit code: 91110105358330813G91110105MA0059KC4B) has contributed RMB 175,590.31 26,885.88 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 1.38240.2117% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17, 2018

Capital Contribution Certificate. We hereby certify that Hangzhou Xianfeng Beijing Qianxian Shidai Investment Partnership (Limited Partnership) Management Co., Ltd. (uniform social credit code: 91330104397509613D91110108335431961K) has contributed RMB 67,146.50 85,006.32 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 0.52860.6692% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17June 7, 2018 We hereby certify that Chengdu Nibilu Technology Horgos Tiaozhanzhe Venture Capital Co., Ltd. (uniform social credit code: 9151010067217374891654004MA77E22X0G) has contributed RMB 134,293.00 8,664.56 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 1.05720.0682% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17, 2018 We hereby certify that Beijing Pansheng Investment Management Co., Ltd. (uniform social credit code: 91110105062794643Q) has contributed RMB 242,864.82 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 1.9120% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17, 2018 We hereby certify that Beijing Mosi Investment Co., Ltd. (uniform social credit code: 91110105358330813G) has contributed RMB 175,590.31 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 1.3824% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17June 7, 2018

Capital Contribution Certificate. We hereby certify that Hangzhou Xianfeng Beijing Lingfeng Investment Partnership Center (Limited Partnership) (uniform social credit code: 91330104397509613D911101083512993232) has contributed RMB 67,146.50 585,109.14 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 0.52864.6064% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17June 7, 2018 We hereby certify that Chengdu Nibilu Technology Co., Ltd. Zhenzhi Chengyuan Equity Investment Center of Ningbo Meishan Bonded Port Area (Limited Partnership) (uniform social credit code: 91510100672173748G91330206MA28236F8Q) has contributed RMB 134,293.00 234,913.63 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 1.05721.8494% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17, 2018 We hereby certify that Beijing Pansheng Investment Management Co., Ltd. (uniform social credit code: 91110105062794643Q) has contributed RMB 242,864.82 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 1.9120% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17, 2018 We hereby certify that Beijing Mosi Investment Co., Ltd. (uniform social credit code: 91110105358330813G) has contributed RMB 175,590.31 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 1.3824% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17June 7, 2018

Capital Contribution Certificate. We hereby certify that Hangzhou Xianfeng Gongqingcheng Xxxxx Investment Fund Partnership (Limited Partnership) (uniform social credit code: 91330104397509613D91641200MA75WPB237) has contributed RMB 67,146.50 490,853.66 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 0.52863.8643% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17June 7, 2018 We hereby certify that Chengdu Nibilu Technology Co., Ltd. Shenzhen Xianfeng Growth Investment Partnership (Limited Partnership) (uniform social credit code: 91510100672173748G91440300354447723J) has contributed RMB 134,293.00 121,951.22 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 1.05720.9601% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17June 7, 2018 We hereby certify that Beijing Pansheng Gongqingcheng Dianliang Investment Management Co., Ltd. Partnership (Limited Partnership) (uniform social credit code: 91110105062794643Q91360405MA35KGDN07) has contributed RMB 242,864.82 365,853.66 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 1.91202.8803% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17, 2018 We hereby certify that Beijing Mosi Investment Co., Ltd. (uniform social credit code: 91110105358330813G) has contributed RMB 175,590.31 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 1.3824% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17June 7, 2018

Capital Contribution Certificate. We hereby certify that Hangzhou Xianfeng Investment Partnership (Limited Partnership) (uniform social credit code: 91330104397509613D) has contributed RMB 67,146.50 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 0.5286% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17June 7, 2018 We hereby certify that Chengdu Nibilu Technology Co., Ltd. (uniform social credit code: 91510100672173748G) has contributed RMB 134,293.00 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 1.0572% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17June 7, 2018 We hereby certify that Beijing Pansheng Investment Management Co., Ltd. (uniform social credit code: 91110105062794643Q) has contributed RMB 242,864.82 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 1.9120% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17June 7, 2018 We hereby certify that Beijing Mosi Investment Co., Ltd. (uniform social credit code: 91110105358330813G) has contributed RMB 175,590.31 to Ningxia Xiangshang Rongke Technology Development Co., Ltd., and holds 1.3824% equity in Ningxia Xiangshang Rongke Technology Development Co., Ltd. The above equity has been pledged wholly in favor of Ningxia Xiangshang Yixin Technology Co., Ltd. Ningxia Xiangshang Rongke Technology Development Co., Ltd. Company seal: /s/ Ningxia Xiangshang Rongke Technology Development Co., Ltd. By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Legal Representative Date: December 17June 7, 2018