More than 20 years, Ni&Fang grown up from the early 1990s, located in Shanghai China, stays on market  with the high quality products such as valves,fittings,flanges,pipe for the water, oil field, food pharmacy and chemical industries ,etc.. We supply with many standards of such as ANSI, DIN, JIS, 3A, API. Our advanced machining equipment and strict quality control will serve you better.more