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| China General Machine Components Industry Association |
Member of China Steel Construction Society |
Large Hexagon and Sets of Torshear Type Strength Bolt, Hexagon Nut and Plain Washer Wins the Out Standing Prize |
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| Energy & Environment Accredited Quality Assessment Certificate of Registration |
Energy & Environment Accredited Quality Assessment Certificate of Registration |
Certificate of Technical Cooperative |
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| Fastener Manufacturer Identification Sign |
Executive Standard Registration Certificate |
The New Product Expert Appraise Meets |
Home >Certifrca of Honor
