Taiyuan, Datong, Shanxi Jincheng Jinzhong double diaphragm coupling, Zhengzhou Fest couplings plant 1, can compensate for the larger radial, angular and axial deviation; 2, wide application; long life, passing torque (approximately 25-1000000N.m); 3, available in a corrosive environment, without lubrication; Operating Temperature -20 ~ 250 degrees; 4, simple structure, easy processing, easy maintenance; vibration, no noise; 5 , widely used in fans, valves, mining, metallurgy, paper making machinery, hydraulic systems, shipbuilding and other industries.