Electromagnet, Solenoid, Inductor Coil manufacturer / supplier in China, offering Landa Mx5027 Glass Wooden Door Locker 12V 24V Fire Exist Door Stopper, Landa Wall Mounting Locker Mx5025 Office Glass Wooden Sliding Door Lock Stopper, Landa Magnetic Locker Ldml0500 Strong 500kg Electromagnetic Lock and so on.