J-Flow Valve & Fitting Industry Co. Is a professional valve and pipe fittings manufacturer for potable water and sewage water system. Which include 3 factories for different product production, and the occupied area more than 100000 M². Along with the qualified quality control system as ISO9001:2000, TUV NORD CE material production approval, BV & Lloyd' s material production approval. J-Flow can supply kinds of valves and pipe fittings with ductile iron like EN-GJS400-15, EN-GJS400-18, EN-GJS450-10, EN-GJS500-7... Grey cast iron like EN-GJL200, EN-GJL-250.. Miscellaneous iron material code subject to clients' different request.