Baoding Kaida Trading Co., ltd. is a professional water industry product company. The company was founded in 1998 and is located in Baoding City, HeBei province, P.R. China. Our company is conveniently located in north China, 128 km from Beijing, capital city and political and cultural center of China, and 158km from Tianjin, international shipping center in Fareast Asia. We manufacture & export the best quality of the following products: Ductile Iron Pipes Ductile Iron Pipe-fittings Rubber gaskets for D.I pipes and fittings Ductile iron manhole covers. Griff. 1. Ductile Iron Pipes We supply and export “SUNS” D. I. pipes. The brand of “SUNS” enjoys a high reputation throughout China and the whole world. Our D.I pipes are designed and made according to EN545-2006, EN598-1994, and ISO2531-1998 standards, pushed on “T” joints, K9, 6m and 5.6m in length, according to the specification of DN80-DN800. Inside our pipes, we have cement lining, which differs into Portland cement or high alumina cement, depending on supply or drainage pipes. It complies with the standard ISO4179 . Metallic Zinc can be made upon the client requirement, usually 130g/? 200g/?in thickness, complying with the standard ISO8179. The bitumen sprayed outside is usually =70um.