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Yuyao No.2 standard fastener factory is specialized in the manufacturing of tight parts in various kinds.Since its establishment in 1973,our co***ny has enjoyed trust from customers in all parts of China.However.With the approvement of ISO 9001 ,our products is ranged from car accesory,volve accesory,2H screw,also, we also produce US. bolt with the series of UNC,UNB ranged from 2A to 3A with American standard. We are excecuting the standard of ASTM 193/B7¡¢B7M,ASTM A320/L7L7,ASTM A194/2H¡¢2HM throughout the p...
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