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Specializing in the production high strength bolts for steel structures

HomeProductsNational(GB,China)High strength bolts for steel structures
National(GB,China)
High strength bolts for steel structures

High strength bolts for steel structures

GB1228/GB1229/GB1230

GB-T1228/GB-T1229/GB-T1230

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Ningbo Zhenhai Huazhi High Intensity Fastener Manufacture CO., Ltd.