Closed engineering drag chain application 1, suitable for use in the reciprocating movement of the occasion, to the built-in cable, tubing, Trachea, water pipe and so on play traction and protection. & NBSP; 2, Drag chain can be opened in each section for easy installation and maintenance. When the movement noise is low, wear-resisting, may high speed movement. Drag chain has been widely used in CNC machine tools, electronic equipment, stone machinery, glass machinery, doors and windows machinery, injection molding machine, manipulator, lifting transport equipment, automatic
