Guangdong Dahe Technology Co.LtdR&D, design and sales: plastics, plastic products, wires and cables, mechanical equipment, metal materials, hardware and hardware products, electronic and communication equipment, power products; Testing and technical consulting services for wires, cables and optical fibers; Design and installation of communication engineering, network technology and video monitoring engineering system; Contract energy management; Import and export of goods or technologies (excluding those prohibited by the state or involving administrative examination and approval). (for projects subject to approval according to law, business activities can be carried out only after approval by relevant departments