300 Huazhong Road, Minhang District, Shanghai City. China

Shanghai Tongguan Hardware Co., Ltd. was established in 1980s. Under the principle of continuous innovation, we have built up "TOPONE" brand door locks. <br/> &l...

RM B8, 10th Floor, Wing Wah Ind. Bldg. , 31 Chong Yip Street, Kwun Tong

Bunnery Company (was Kim Wah Metal Works) was founded in 1980, specialized in manufacturing Panic Exit Devices, mortise lockset and building hardware for many years with actual strength, high technolo...