Guangzhou ONLENSE Science & Technology Co., Ltd. was established in Guangzhou, China since 2001. Specialize in Manufacturing Hi-Tech Intellectualized Electronic Door Locks. Certificates: CE Marking, State Ministry of Security Test Report. Clients Examples: Bac. cc Corp (USA), Mr. Saeed (UK), Hitechhome (Russia), Entoplan CO., LTD (Korea), Euresis Srl (Italy). Inquiry & Feedback: Should you be interest of any types of our products and favor us to make inquiries about detailed information, we are ready to serve you at any time by any means.