Yuan Valve Our products mainly adopt China GB and JB standards, America API and ANSI standards, UK BS standards, Germany DIN standards, Japan JIS standards, and France NF standards, etc. with production nominal diameter of DN15-DN2400mm�1/2�-96″）, pressure level of 0.25-42MPa�125LB-2500LB�, working temperature of -60�-570� and materials mainly of HT200, HT250, QT400, QT450, WCA, WCB, WCC, CF3, CF8, CF3M and CF8M,etc. Our products are mainly gate valves, stop valves, check valves, ball valves and butterfly valves, etc. including more than 200 series and covering more than 4000 specifications. Our annual production capacity is above 80,000 tons and our products are widely used in petroleum, petrochemical, chemical industry, electric power, construction and pharmaceutical as well as water supply and drainage fields, etc.. Material category Stainless steel ball valve strainer globle valve for Oxygen pipeline lift/swing chcek valve gate valve glo