WEISON ADVANCED MATERIALS CO.,LTD ,(hereinafter referred to as WEISON) founded in the 1990s, located at one of the Chinese biggest clustering base of tungsten resources-Hunan,is a high-tech enterprise who focus its diligence on research,development,manufacture,sales and technical service base on tungsten material.WEISON turning powder into precision finishing around tungsten-oriented materials.with about twenty years expertise and existing experience in powder metallurgy, variety of tungsten-oriented products have been constantly produced and brought into innovative competitive market.