Weiton, located in the most vigorous city--Guangzhou, is the largest industrial gas equipmtny manufacturer in south China. The company integrates the scientific research, development, production, sales with services and it is the earliest entity. It devotes to the research, innovation and development of PSA technologies and employs the high-quality absorbers to promote level of workmanship to guarantee the product's advantage in the fields of energy-saving, stability and enviromental protection.