Supply & export of industrial gas, electronic high-purity specialty gas, mixed calibration gas, gas storage cylinders and gas pipeline accessories; technical consultation for gas application, purity customization service, chemical hazardous goods packaging & logistics supporting service; preparation of SDS, REACH, CLP and GHS compliance documents; international chemical trading, customized gas solutions for semiconductor, fine chemical, environmental testing and laboratory sectors. Main products include H?S, HCl, CO, HBr, BF?, SiH? and other ultra-high purity gases from 3N to 5N grade.