Shanghai Ainiu valve fittings Co. Ltd. is a professional production, research and development, the overall valve seat sales and service as one of the enterprises, the polymer elastomer seals a professional company and a rich experience in metal processing enterprises, was founded in 2014 in the international metropolis - Shanghai cooperation.Company to carry out scientific and strict factory management, mechanical processing equipment, factory equipped including: multi axis machining center, CNC lathe, imported large vertical lathe, the seat production size from 1/2 inches to 60 inches.