Selection of steel doors and Windows must be to dealers for product quality inspection certificate.
选择好塑钢门窗后一定要向经销商索要产品质量检验合格证明。
Product quality supervision and inspection certificate, the standard implementation of the certificate.
产品质量监督检查合格证书，标准执行证书。
Quality certificate of product testing issued by an inspection institution with appropriate qualifications;
and （三）具有相应资质的检测机构出具的产品检测合格证明；
Each product can't leave factory before passing inspection, and attach production certificate of conformity is required.
每台产品须经检验合格后才能出厂，并须附有产品质量合格证。
Each product can't leave factory before passing inspection, and attach production certificate of conformity is required.
每台产品须经检验合格后才能出厂，并须附有产品质量合格证。
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