http://www.ka-valve.com/ Brand Introduction Our Team Product Application Contact us Kaigao Industrial Technology Co., Ltd Kaigao Industrial Technology Co., Ltd was established in 2020 with the following investors: Kaifeng High and Meddle Pressure Valve Co., Ltd., Kaifeng Dongli High Pressure Valve Casting Co., Ltd. and Kaifeng Ruiwei Fluid Technology Service Co. The main business includes sales of industrial valves and castings produced in three factories. Our Service Pre-sales service includes providing customers with selection and technical services.In-sale service includes in the manufacturing process, we providing customers with one-stop service of instant production progress, storage delivery,efficient transportation, on-site installation guidance and debugging.After-sales service includes one-year time of warranty, 24-hours response and solved within 72-hours .China nrv swing check valve website:http://www.ka-valve.com/