General business items: Filling equipment, Fluid equipment, pump, Valves and pipe fittings and fluorine lining( plastic) Pipeline manufacturing and installation, Chemical raw materials and products( Does not contain hazardous chemicals), Metal materials, Instrument sales, Engage in the import and export of goods and self-operated products, as well as technology import and export business, Technical Consulting, Conference Services( Businesses involving administrative licenses must be operated with a license)。