Also called steel towline towline aluminum, steel towline, steel cable. Its main function is to machine, machinery and other cable, tubing, trachea, water pipe, wind pipe, traction and protection.

Steel Aluminium Tuolian, rectangular metal hose, protective cover belongs to the category of varieties of steel drag chain. The towline aluminum can be divided into TL type and TLG type, according to the structure can be divided into the bridge and closed. Rectangular metal hose can be divided into JR type and JR-1 type

They are suitable for use in reciprocating motion, and can play a role in traction and protection of the built-in cables, tubing, trachea, water pipes, etc.. Drag chain has been widely used in CNC machine tools, electronic equipment, fire equipment, stone machinery, glass machinery, doors and windows machine, injection molding machine, manipulator, overweight transportation equipment, automated warehouse etc..