JESS.Established in 1995, JESS is a professional gas equipment supplier based in Chongqing, specializing in the R&D and manufacturing of pressure regulating equipment, metering instruments, and high- and medium-pressure valves. The company operates a large-scale production base equipped with advanced manufacturing and testing facilities, committed to delivering comprehensive solutions for gas transmission and distribution that encompass pressure regulation, safety, control, and metering. With full certifications for pressure pipeline and special equipment design and manufacturing, coupled with a robust international management system, JESS ensures its products feature advanced structures and reliable performance, meeting the safety and control demands of the industrial gas sector with high quality.