The quality guarantee period is divided into the normal guarantee period and the extended guarantee period for the principle components. 质量保证期分为正常质量保证期和主要部件的延长质量保证期。
The warranty period shall be 12 months counting from the date on which the buyer, the end-user and the seller sign the Certificate of Final Acceptance of the Contract Goods. 保证期自买方，最终用户和卖方签署合同货物最终验收证书之日起十二个月。
