Shenzhen Sanhuan lock Co. Ltd.   

Shenzhen City Sanhuan lock is the best Shenzhen lock company, 1, open, repair all kinds of safe insurance, modify password. 2, open the domestic and foreign each car locks. 3, open, repair all kinds of anti-theft lock, password lock, the filing cabinet, fingerprint lock, chip lock, boss table lock, stationery cabinet lock etc.. 4, to undertake the gating system installation of electric lock, glass door, building intercom, fingerprint lock, spring and other electronic induction. 5, installation, change the locks and lock core. 6, repair of anti-theft door, rolling gate, gate, floor spring, glass door, door closer, door handles etc..

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