100TONG

100TONG is specialized in ductile iron grooved fittings and couplings,valves and coated steel pipes.The company has passed ISO9001 quality system,and grooved products has been approved by FM,UL,CE... 100TONG as the Shandong well-known brand is enjoying high reputation among the customers for its faith,quality,price and service.Products are on sale ll over 300 cities of China,and exported to the United State,Canada,Europe,Middle East,South Africa,Australia,and more than 30 countries and areas.