national customer hotline：16888888888
dongguan zhenglang precision metal parts co., ltd. deeply participates in the development and design of customer biometric identification locks, and combines traditional mechanical locks with biometric identification technology, which is widely used in home, office, confidential and other places. the requirements for parts are more precise and high-strength, and escort your privacy and safety!
focus on research and development, develop thousands of products, and the research leader of the institute set up a factory
complete quality system, 9001,16949, quality team, production workshop
annual output of 1,000 tons, growing at a rate of 35% per year
fast response and reliable solution