Duen-Yih Metal Industrial Co., Ltd. is a professional and experienced door lock manufacturer that has been engaged in producing heavy duty mortise lock (similar as Baldwin style), lever handle sets (made with Solid brass, Stainless Steel/, Zamak etc..)...
UL fire rated mortise lock, lever handle, tubular lock, IC card lock...
Duen-Yih Metal Industrial Co., Ltd. is a professional and experienced door lock manufacturer that has been engaged in producing heavy duty mortise lock (similar as Baldwin style), lever handle sets (made with Solid brass, Stainless Steel/, Zamak etc )...
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