日产精品久久久久久久|亚洲va久久久久综合|国产欧美精品一区二区色综合|亚洲综合精品欧美性一级交视频

質(zhì)量方針：追求卓越品質(zhì)，承擔社會(huì )責任，創(chuàng )造源大未來(lái)。質(zhì)量目標：產(chǎn)品質(zhì)量達到六西格瑪水平。

Quality Policy: Pursue excellent quality, shoulder social responsibility, and create Yuanda’s future.

Target: Product quality reaches six sigma level.