... 0Mpa Guarantee:18 months Wenzhou ONO Valve CO.,Ltd is a professional manufacturer of valve.Our products include globe valves, ... ,safety valves,ball valves,butterfly valves,diaphragm valves,mud valve ect.And it has complete inspection equipment, such equipments ... System and Fugitive Emission Test system equipment, which can control the production quality effectively.Stainless steel gate valveSize:DN25- ...