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。
Article 17 For purchasing drugs, drug distributors shall establish and apply a system for quality inspection and acceptance, and check the certificate of drug quality, labels and other marks;
第十七条药品经营企业购进药品，必须建立并执行进货检查验收制度，验明药品合格证明和其他标识；
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