Bentonite mining and series of products processing. Natural mineral sales (operating branch) activityProduct series product processing, sales, chemical products (excluding special approval varieties) mining machineMachinery and accessories sales, plastic packaging products processing and sales, the company produced productsAnd technology export business and the enterprise required mechanical equipment, spare parts, raw and auxiliary materialsAnd technology import and export business, but the country is limited company or prohibit the import and export goodsAnd technology.