Lead Screw, Planetary Roller Screw, Linear Guide Module manufacturer / supplier in China, offering Wholesale Normally Closed Open Clamping Element Mechanism Lock Pneumatic Clamping, Mk Mks Normally Open/ Close Linear Guide Accessories Element Clamping, Diameter 12mm 16mm 20mm 25mm 30mm 32mm 40mm 50mm Linear Shaft Lock Normally Closed Pneumatic Clamp Element Lock Clamping for Round Shaft and so on.