About us

  • Established in July 2005, specializing in the production and manufacture of check valves, which is in line with the standard of reflux prevention in most countries of the world. It is widely used in all kinds of valves, fittings, faucets, sprinklers, water meters and drinking fountains, water heaters, and smart toilets, so as to prevent water from returning. It can be used in constant temperature water mixing control system to prevent cold and hot water crossflow, maintain water pressure balance in pipeline to avoid uneven cold and hot water flow and hot water scald.
    Based on years of professional experience, Yuhuan KORIE  has introduced IS09001:2015 quality management system, with strong technical strength, advanced manufacturing processes and equipment, strict testing methods, and with professional and dedicated production concept, obtained ACS, WRAS, KTW, WATERMARK, NSF-61 and other certification, and through ROHS, FDA, AS-NZS4020 and other testing, to provide high-quality plastic check valve for domestic and foreign customers.