All parts of China guanhang brand Jack are strictly controlled during manufacturing, adhere to the concept of quality first, and be sure to present perfect products to customers.

1. The top cover is quenched, which has strong bearing capacity and is not easy to break when lifting heavy objects;

2. The lifting sleeve is made of cast steel, which is durable, with built-in safety limit. Small detail design can reduce accidents;

3. The key parts such as gear and screw adopt special manufacturing technology, which has the characteristics of high strength, flexible rotation and not easy to be damaged;

4. The base is also thickened to make it more stable. When leaving the factory, we will always put quality and safety first after strict testing according to national standards.