The Hangzhou graceful honest trade Limited company is one specialized is engaged in the selenium drum research and development, the production and the sales Stock-company type enterprise. Base company located at the beautiful Hangzhou West Lake lakeside. Under the company supposes two production bases, a Production workshop and a research and development room, devote to the selenium drum, the powdered carbon production sale and the new environmental protection selenium drum's research and development promotion. this company has the outstanding managerial talent and the experienced technical personnel, is the collection development, the research, the production and the management is a body's specialty consumes the material enterprise. The complete set uses the import the production equipment and raw material, makes new generation high quality serial productses and so on selenium drum, powdered carbon. Devotes to make �����tter /WEIT�����rand selenium drum's at the same time, very pays great attention th