Selen S&T has built up the global marketing network, which covers Pearl river delta, Yangtze river delta, Beijing-Tianjin-Hebei, Mid-west key economic zones, as well as Hong Kong, Europe, the US, Japan, Korea, South-east Asia, i.e. the major overseas economic entities. The Company set up offices and "Clean Easy" clean-room products laundry chain stores and logistics center in the large and medium-sized cities in China, to provide faster, more efficient close services.