In order to ensure the quality of the products purchased, and constantly reduce the rate of defective products and improve the level of reliability, so as to ensure a good brand reputation, in adhering to the strict quality of the products identified based on the quality of the products, but also must do a good job after the qualified batch of supplies and the use of the process of maintaining the quality of the work. In the spirit of equality and mutual benefit, the principle of friendly development, the two sides friendly consultation, the demand side to the supply side of the procurement of the demand side of the products required to reach this agreement, both sides should comply with the provisions of this agreement. The defaulting party shall be fully responsible for the violation of this agreement and compensate the other party for the loss according to the terms of the relevant agreement.