Features:1.hinged mounted telescopic sheets. 2.small space requirement, ***** protection against large quantities of swarfs. ***** telescopic sheets are easy to replace. ***** glued connections The product can be used for such locations where repciprocating motions are required sothatinternallyinstalled ***** pipes, gas tubes and water tubes can be draged and protected. Eachjoint ofthe chain Can be opened up so astofacilitate repairs and maintenance It gives low noises and is of anti-wearing while ***** can also be operated under high speed. The drag chains have already extensively used in digital-controlled machine tooIs,eIectronic epuipement,machinery for stone industry,machinerfor glass industry,machinery for doors and windows, moulding injectors, manipulators, lifting and transport equipment and automatic warehouses, etc.