YUZHENG was founded in 2011 and is located in Wenzhou, Zhejiang. We specialize in valve research and manufacturing, and our products comply with the American standard 150LB, 300LB, and Japanese standard JIS10K. Our threads cover BSPT, BSP, NPT, and other specifications. All frontline employees have over five years of experience. All products undergo 100% pressure testing before leaving the factory, and the nickel content of the material meets 100% standards. Our main products include ball valves, fittings, check valves, gate valves, globe valves, and other series.