Coming from China, Quanshun is a specialized manufacturer for check valves. The product offered includes swing check valve, lift check valve, butterfly check valve, and some others. Passing many international certifications such as OHSAS 18001, CE, API6D and API600, our product is generally employed in the pipeline of petroleum industry, chemical industry, and power station to cut off or control water, steam, oil and other corrosive mediums. If you are looking for the fluid control equipment, please kindly contact us for further communication. We are looking forward to hearing from you.