Manufacturing, processing, and sales of rectified power supply equipment, electrical appliances, electroplating equipment, and electromechanical equipment; electromechanical technology, electronic technology consulting services, and technology transfer; industrial production line design; mechanical equipment, electromechanical equipment maintenance; computer software and hardware development, system integration; manufacturing, processing, and sales: mechanical equipment and accessories, metal products, and Molds, castings and forgings, measuring tools, automobile and motorcycle parts; sales: electronic products (excluding electronic publications) and equipment, Wujijiaodian, instruments and meters, computer accessories, chemical products (excluding hazardous chemicals), rubber and plastic products, cultural and educational office supplies, daily necessities, labor protection supplies; goods and technology import and export business. **