1. All key parts are forged with high-strength alloy steel and heat treated.
2. 4:1 safe factor, CE certificate, and meets EN 13157, and ASME 30.26.
3. Equipped with carbon steel sheave and grease nipple, convenient for operating and repairing, and also extending service life.
4. JDB self-lubricating sliding bearing, conveniently, dose not need to be greased quite often, the national patent.
5. Permanent product batch No., blocks can be tracking easily.
6. Equipped with forged steel sheave or hot rolled steel sheave.
7. Customized according to the clients' requirement.



