No 177-2179-8, Dongan Road, Gushan Town, Economic and Technological Development Zone, Weihai City, Shandong Province No 177-2, Dongan Road, Gushan Town, Economic and Technological Development Zone, Weihai City, Shandong Province No 177-2, Dongan Road, Gushan Town, Economic and Technological Development Zone, Weihai City, Shandong Province