Building Materials, Metal materials( Does not contain non-ferrous metals), Hardware and Electrical, Chemical pigments( No hazardous chemicals), textile, Daily necessities, Arts and Crafts( Does not contain gold or silver products), General machinery, plastic products, rubber products, paper products, Electronic computers and accessories, Sales of instruments and meters; Import and export of goods、 Technology import and export; Polypropylene(PP) Packaging production of mixed materials( Except for hazardous chemicals), Production of wood pellets, wood plastic pellets and wood-based panels; Rice husks required for production、Orange stalks、 Wood chips、 Purchase of bamboo chips; Modular wood-plastic composite panel rental and installation, Guardrail installation。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments)