GERMAN SIYADINI BUILDING HARDWARE GROUP Is a professional company which has been established for many years. It is a professional company which integrates design, development, manufacturing, die-casting, polishing, stamping and mechanical processing.
Main production: turn inside pour inside, aluminum alloy tilt series, curtain wall accessories series, crescent lock series, aluminum alloy hinge series, two lock, hold hand series, the series of actuator and window of aluminium alloy door lock series, more products after passing inspection institutions, the indicators are better than similar products, enjoy higher reputation in the market.