| Products/Services We Offer: |
1. Big hexagonal connecting bolt of high-intensity for steel structure(GB/T 1228-1231)
2. Tortuous connecting bolt high-intensity for steel structure (GB/T 3632-3633)
3. Screw bolt and nut of high-intensity for bolt ball node of steel mesh frame(GB/T 16939-1997)
4. Screw bolt and nut of high temperature and pressure of high-intensity
5. Hexagonal screw bolt cap and gasket made in German(DIN 6914-6916)
6. Hexagonal screw bolt cap and gasket made in USA(ASTM A325-A490)
7. Standard screw bolt of high-in |
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