ZhongHeng lock factory is located in Zhe Jiang province ,China where the industry develops best. The factory is  an  enterprise specializing in  researching,  developing,  manufacturing, selling, serving high-grade automatic lock of anti-theft door .
OEM orders and customer's designs are welcome.
As small private indusry develop fast and well here,we would like to act as your agent for purchase of various hardware if you have an intention.