Guangdong Sangong Hardware Co., Ltd is a large-scale hardware-leading manufacturer in the lock and smart home industries specializing in research, development, production and sales of smart locks. Sangong Hardware is located in China's Lock Capital- Zhongshan City, Guangdong Province. There are more than 400 workers, with a modern production plant area of 10000 square meters and a monthly output of more than 200000 locks. Since its establishment, Sangong Hardware has continuously expanded its production scale, introduced advanced production equipment and improved and transformed it's processing technology. Nowadays, there are several mold manufacturing high-speed CNC machines, grinders, wire cutting, gong beds, lathes and other precision equipment, 7 dental machines, 5 CNC finishing machines, 10 intelligent polishing robots, 5 automatic polishing lines, 2 central furnaces, 10 robotic arms, 16 zinc alloy die casters and aluminum die casters. Sangong Hardware offers one-stop services from mold designing- mold making- die casting- secondary processing- polishing- surface treatment- spray processing-assembly, to provide clients with safe and convenient intelligent products and to provide the industry with professional and excellent supporting services. It has developed into a R&D, production and sales in one integrated enterprise.