Jiangmen city co-yu smart technology co. Ltd. Is a direct subsidiary of the hong kong co-yu group and is one of china's leading producers of smart door locks, producing china's first-largest foreign village, jiangmen, based in the pearl river delta in guangdong province, where china gave priority to locking the smart door. Corporate products are developed, produced, sold and maintained as one. The company introduced the smart door lock on foreign technology development in 1993, the magnetic doorlock in 1993, the ic doorlock in 1995, the induction doorlock in 2000, the electronic cabinet lock in 2003 and the fingerprint lock in 2006. The company is the vice-president of china's locker, and has received the title of china's good locked enterprise, china's ten jia smart door-locked brand, the high honour of the hotel industry, the chinese hotel kimma award. The chinese hotel industry's winga smart gate-locked suppliers, and china's gold industry technology creation strategic alliance. ...