Offer Description: The product can be used in working at the high of electric power, oil, communicate, shipping, build and so on.
Character:
1. Automatism control descent speed when the operator in dangering;
2. Material: Aluminium alloy crust, small weight, resist cauterization;
3. Steel wire line pull speed >1M /Second, it start to automatism operate in 0.2M.
4. Line material: Voyage cotton, resist high temperature, resist cauterization, safe.