国际标准与质量保障
以下为公司管理体系证书。认证范围与日期以证书原文为准；具体订单的产品标准及检验文件须另行确认。
00224Q23835R1S
China Quality Mark Certification Group
2027-06-29
Manufacturing and sales of seamless fittings (B2), forged fittings, steel forged flanges.
00224E32640R1S
China Quality Mark Certification Group
2027-06-29
Manufacturing and sales of seamless fittings (B2), forged fittings, steel forged flanges.
00224S22402R1S
China Quality Mark Certification Group
2027-06-29
Manufacturing and sales of seamless fittings (B2), forged fittings, steel forged flanges.
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