China Ningbo Vitsun set up in 1998, is located in Ningbo, China, a beautiful seaport city. China Vitsun Mechanism Manufacturing Co,.Ltd is one manufacturer who specialized in producing plumbing pipe products, including various kinds of brass compression fittings, soldering fittings , copper soldering fittings, manifolds , radiator valves, ball valves(for special purpose) Pex-All-Pex pipes and the other kinds valves,which are widely used in living and industry.