High rust resistance and wear resistance
Production specification -- Strictly comply with GB/T 4606-2006/ISO 337:1981 and GB/T 4607-2006/ISO 4086:2001.


Heavy duty special -- Designed for trailer, it can provide stable and reliable traction, avoid falling off or breaking, and ensure driving safety.
Various models Mushroom type, cross type, double spoon type, "l" type and other shapes are complete, welding type and assembly type can be selected according to demand.
Product Paramenters

No. 50 traction pin is suitable for semi-trailer with maximum total mass less than or equal to 40 tons; No. 90 traction pin is suitable for semi-trailers with a maximum mass of more than 40 tons and less than or equal to 100 tons. Traction pin No. 90 means traction pin diameter of 90mm, mainly made of chrome alloy.
Company Profile

Shandong Darong Machinery Co., Ltd :
Why Choose Us
We have the most advanced production equipment and technology to ensure the quality of trailer axles. There is a very mature axle manufacturing process to produce axles according to the different needs of customers. Each axle is manufactured through more than ten processes, and finally, the quality inspection procedure of the axle ensures that each axle is a qualified product.Customer Photos
many customers come to our factory for inspection. Welcome to visit our factory if you have time. You can visit our workshop. Our equipment is a complete set of axle processing equipment. At present, the most advanced automatic assembly process equipment on the market, as well as tools to automatically test the torque of axle bolts, ensure the stability of product quality.Product packaging
Our Advantages
We have obtained the ISO9001:2015 quality system certification, and are a strong supplier of Alibaba. We have obtained the SGS certification and the Shandong high-tech enterprise certification. The company has strong technical research and development strength, and can customize products according to customer needs.







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