Hinge, Mechanical Door Lock, Detachable Hinge manufacturer / supplier in China, offering Cl212-1 Zinc Alloy Industrial Equipment Switchboards Door Concealed Hinge, Cl212-1 Aluminum Alloy Power Cabinet Distribution Box Door Concealed Hinge, Cl212-1 Aluminum Alloy Concealed Latch Hinge for Switchgear Distribution Box and so on.