Leading Manufacturer of Door Access Hardware | Anhengtong Technology Co., Ltd. Discover high-quality door control solutions hardware meeting national, European, and American standards. Proudly serving major real estate projects with our own brand 'ROCK Anhengtong'. Selected supplier for iconic projects like Beijing Capital Airport and CCTV Tower. Specializing in overseas brand promotion and OEM/ODM sales. Trust us for superior customer service, premium quality, and competitive pricing.