quality certificates file 资质证明文件
Product Quality Certificates 产品质量证明书
Welding quality certificates 焊接质量证明
relevant quality certificates 相关质量证明
Site Quality & Calibration Certificates 网站质量和校准证书
Quality certificates shall go along with the goods.
质量证明书应随货同行。
Producers and dealers involved are complaining that obtaining quality certificates could take at least 7 days.
涉及的厂商和经销商都抱怨要获得质量证明至少要7天。
The quality of the wheelchairs is very good. Our designated wheelchair manufacturers all have received both domestic and international quality certificates.
轮椅的质量都非常好，与我们合作的轮椅厂家都已经取得了国内以及国际轮椅质量认证。
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