Zhengde Polygon Testing Equipment Manufacturing Co., Ltd. Registered Address is located in Hebei Province Zhengde City Shuangqiao District Shidongzi Trench No. 20 (Zhengde Dahua Testing Machine Co., Ltd. Building 7), Registered Authority is Zhengde City Shuangqiao District Market Supervision Authority, Legal Person Representative is Wang Ping, Operation scope includes testing equipment R&D, manufacturing, sales, technical consulting services (requires special approval after obtaining qualification approval can operate).