Qingdao Strong International Business Co.,Ltd is one of the leading and professional construction materials suppliers and the steel casting products suppliers. Strong is based in Qingdao, China, which is a seaport city and convenient for delivery. We have a group of professional technical people and salesmen here to supply you one to one service. Years of experience makes our company more competitive, and earn us a good reputation around the world, such as Europe, Austalia, America, Middle E

Qingdao Strong International Business Co., Ltd is

Lost wax investment castings in carbon steel and a