shandong rongsheng steel plate co.ltd was eatablished in September 2009,Its is located in Boxing Binzhou,shandong province.Shandong rongsheng steel plate co.ltd is the excellet professional cold roll steel sheet,HDGI,GL,PPGI.PPGL,corrugated steel sheet and mechanicala equipment Manufacturer with more than 6 years glorious history. With super quality and sevice,our products sold more than 20 countries all over the world....