Materials must conform to the existing national standards or industry product standards, to nationally recognized testing agencies issued test report shall prevail.
材料必须符合已有的国标或行业的产品标准规定，以国家认可的检测机构出具的检测报告为准。
Materials must conform to the existing national standards or industry product standards, to nationally recognized testing agencies issued test report shall prevail.
材料必须符合已有的国标或行业的产品标准规定，以国家认可的检测机构出具的检测报告为准。
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