We also hold the ISO certificate which too shows the level of high quality for our products and services.

我们通过了ISO认证，这是高质量水平产品和服务的验证。

youdao

Especially, the aluminum doors, windows and curtain walls have the first level certificate of quality and first level design certificate approved by China construction administration.

尤其是铝合金门窗幕墙部分具有中国建设部颁发的装饰装修一级资质证书、甲级设计证书。

youdao

To drive home an image of Apple-level quality, Mr. Newman created a certificate program called D.i.

WSJ: Hospitals That Mend the Apple Set