HYS Tech is a leading industrial gases and cylinders supplier in Chengdu, China. We have the biggest gas cylinder factory , Using the world advance technology.Max production capacity is 50000pcs cylinders monthly Approved the ISO9001:2008 ISO/TS16949:2009 Quality Management System certification ISO14001：2004 Environmental Management System certification:OHSAS18001：2007 occupational health and safety management system 5:Portable medical cylinderscertification What we can supply now: We supply a wide portfolio of Industrial gases, gas safety equipment, solutions services for gas applications...