Ningbo Zhenhai Dingli Machinery Manufacture Co., Ltd.

Ningbo Zhenhai Dingli Machinery Manufacture Co., Ltd,as a professional manufacturer in China, we do not only provide DIN, ANSI/ASME, ISO, BS, JIS, AS, GB standard fasteners, but also provide non-standard fasteners as per your drawings and samples. Various raw material and surface finish are available in our company. Now we have two plants:One professionally produces cold forming products, leading products include hexagon socket set screw, hexagon socket cap screw, hexagon socket head shoulder screw, machine screw, self tapping screw, and other screw nails,such as DIN912/913/914/915/916/571,ISO7379 etc.Another one professionally produces hot forming products, leading products include ASTM A325 heavy hex bolt, ASTM A307 hex bolt, ASTM A193 B7 thread rod, carriage bolt, track bolt, other hex bolt, normal threaded rods, Bolt & nut & washer series, etc.We have the our own brand **D*? and OEM service is also available. Our company had already passed the authentication of ISO9001:2000 for ... [Details]