Zhongshan Langnuo Hardware Manufacturer Co., Ltd., as one of the largest door lock manufacturers in China, is located at the internationally famous hardware industry center-Xiaolan town, Zhongshan City, Guangdong Province. Our products include various tubular and cylindrical knob sets and lever sets, deadbolts, mortise door locks, zinc alloy door handles as well as all kinds of door lock accessories. All of our products have met ANSI Grade 3 standard. We have our own stamping workshop, die ...   |