1. High-strength I-type 80 grade: Among the 80-level lifting chain rigging, the high-strength I-type system is most widely used.

2. High-strength type II class 80: This type of application is not as extensive as type I. Chains with the same chain ring diameter and rated load can only be linked together with accessories.

3. Super type 100 level: Compared with the 80 level lifting chain, the biggest advantage of this level is that under the same diameter, the rated load is 25% higher, the surface has higher hardness and better toughness; in addition, the surface color It is also different from the 80-level chain. This chain and its structural parts are turquoise.