Concealed hinge for rh and lh application . the 2 main hinge parts have a central guide to prevent door sagging during adjustment 门铰的两个主要部分有一个中心导承,用于调节时防止门下垂。
Concealed hinge , for rh and lh application . the 2 main hinge parts have a central guide to prevent sagging during door adjustment 左右门隐密式门铰,门铰的两大部分有一个中心导承,用于调节时防止门下垂。