Blind Flange price About Us PXN is a valve manufacturer which the employees have a vast amount of experiences and confidence. Our team helps the company starting and developing among thousands of valves factories during bad economic time 2013~2015. To be a professional valve manufacturer specialized in designing, manufacturing and marketing, Our valves can meet stringent special requirements of various industries, including power generation, chemical and petrochemical, oil and gas and water treatment and ship building applications.http://www.pxnvalve.com/