"Precision production, strict control" is the manufacturing concept of Yongding fasteners. We have introduced more than 20 sets of testing machines, including: "100 tons and 60-tons tensile machine, impact testing machine, metallographic analysis, flaw detector, hardness tester and torque testing machine, etc".

Bolts Manufacturers

Zhenhai Yongding Fastener is a professional bolt manufacturer and supplier. Its products mainly include heavy hex bolts and other bolts. YongDing bolts has high strength, complete specifications, can be customized on demand, and its application is also very wide. The heavy-duty hexagonal bolts are also a kind of hexagonal bolts, whose heads are larger than ordinary ones, and are mainly used in construction engineering, automobiles, bridges and tunnels.