Technology development, consultation, transfer, production and sales of far-infrared electric heating pads, plastic accessories, and electronic component controllers in the fields of new material technology, energy-saving technology, and clean energy raw materials; Sales of power electronic components, carbon nano heating electronic connectors, carbon nano heating pads, protective gear, underfloor heating systems, electronic communication system accessories, rubber products, clothing, office supplies and consumables, stationery, hardware and building materials, fur products, leather products, metal products, household appliances, mechanical equipment, electromechanical products, metal materials, environmental protection products, electronic products, daily necessities, medical equipment, underfloor heating equipment (including online sales), sales of chemical products and chemical raw materials (excluding dangerous goods), textile raw materials (excluding cotton and silkworm cocoons), building materials, and professional contracting of electromechanical equipment installation engineering; Installation services for underfloor heating equipment; clothing design. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments)