Made in China Worm Factory worm gear steering

    1) Jianhu Haisheng Machinery Manufacturing Co., Ltd. is a professional manufacturer which designs and manufactures worm, worm gear, and gears.

    2) The worm has different kinds, from single head to six heads, and its modulus range from M1 to M20.

    3) The worm  main material is 45 steel and 40Cr (quenching to HRC42-53) and 20CrMn- Ti (carburizing and quenching of HRC58-63).

    4) Tooth surface of worm is fine grinding, which greatly improves the accuracy of transmission, reduces noise, and prolongs the service life.

Quality control 

» Serious raw material inspection;
» Strict control over the entire manufacturing process;
» Sampling of all the products after final inspection before shipment;
» Quality trace after delivery

Before we deliver the goods to customer, we will inspect the quality.

Packing and shipment:

1) Carton, or upon customers' specifications

2) Label: standard, or upon customers' specifications

3) Shipment: contract items