... Brake system utilizing special material, special fabrication processing, and it is anti corrosive, shockproof andwearproof. 3. One step shaping Aluminmun ... to make worker safe, when the speed of steel wirerope is more than 1m/sec.7. Material: aero-wires, special spliced ... sling,and it is feature flame retardant, heat resisting, anti corrosive, ...