xiaoyao.com yueqing pingheng mechanical and electrical co., ltd. is a series of products specializing in the production of electronic magnetic materials (electromagnets), suction cup solenoids, rotary solenoids, frame solenoids, ac traction solenoids, ac solenoids, solenoid valves and other products. 1 catalytic combustion equipment manufacturer, complete models, reasonable prices, wholesale and customized. hebei fuyu environmental protection equipment co., ltd. 30 people