Electromagnet, Solenoid, Air Core Coil manufacturer / supplier in China, offering Custom Tu1938 DC 24V Tubular Push Pull Solenoid for Electric Control Lock, Heavy-Duty DC 220V 20mm Long Stroke Push Tubular Solenoid for Automation Equipment, Factory Direct Ldml0500 500kg 12V 24V Flush Mounted Magnetic Lock System and so on.