Wenzhou ONO Valve Co., Ltd. as a key enterprise among the said "Pump & Valve Village of China"and a well known enterprise in the national valve industry. In China, this group selected as a member of the first-grade supply network of China Petroleum, a member of China Petrochemical Resource Market, a member of No. 1 Energy Network, a member for supply of the national electric power system. In International market: ONO has spreaded business to many countries and areas. ONO has approved by series of Oil Company and Engineering Project Company, such as Aramco from Saudi Arabia, PDO from Oman, PTT from Thailand, Petronas from Malaysia, NIOEC, NIGC and NIOC from Iran, ENI from Italy, Chiyoda from Japan, Dodsal from Oman.. Product Range: Petroleum equipment, safety valves, check valves, gate valves, ball valves, butterfly valves, cylinder valves etc. Standard: API, ASME, EN, ISO, JIS, DIN, BS, GOST & GB , FOCT. Material: WCB (A105),LCB(LF2),C5(F5),WC6(F11),WC9(F22),CF8(F304),CF8M(F316,4A(F51),5A(F53),6A(F55),CK3MCUN(F44),MONEL,INCONEL(625,825)etc. DIN: 1/2INCH---56INCH ( DN15-DN1400) Temperatue:196---650 Pressure: CLASS 150---CLASS 2500 (PN16-PN420)