The company is a member of the Italian AVV Group and is committed to high-quality product design. Our commitment is to provide our customers with the highest quality products and competitive prices within a satisfactory delivery period. Nantong AVV Company is an enterprise specializing in the design and production of ball valve seats and ball valves. Main oil and gas valve seats, coated valve seats, soft sealing valve seats, high temperature resistant valve seats, zero leakage valve seats, metal sealing valve seats, petrochemical valve seats, ball valve seats, valve seat accessories, ball valve balance rods, floating balls, etc. All aspects of our design and production process are in compliance with the ISO 9001:2015 quality system. The business scope covers Jiangsu, Zhejiang, Anhui, Guangdong, Shandong, Hebei, Shanghai, Beijing and other places.