Shanghai Tongguan Hardware Co., Ltd.

Shanghai Tongguan Hardware Co., Ltd. was established in 1980s. Under the principle of continuous innovation, we have built up "TOPONE" brand door locks. Our main products are lock sets, panic exit devices, alarming locks, closers, floor hinges and hardware fittings. Since our ...

Telephone：86-21-34151042,886-2Address：300 Huazhong Road, Minhang District, Shanghai City. China