Should the Seller fail to provide qualified goods stipulated in Clause 7, the End user will refuse the delivery. The End-user has rights to choose demanding another delivery of qualified goods or cancelling the contract. Another delivery of the new qualified goods will be calculated in the whole delivery period. If the End –user chooses to cancel the contract, the Seller, in spite of the cancellation, shall bear the expenses occurred and still pay a penalty to the End –user. The amount of the penalty shall not exceed 30% of the contract value.