GRANDWALL TECH.GRANDWALL TECH is a leading manufacturer in the field of electromagnetic wire production, with a long-standing commitment to the R&D and manufacturing of electromagnetic wire products. Headquartered in Huzhou City, Zhejiang Province, the company operates a production base exceeding 500,000 square meters with over 1,000 employees, achieving an annual production capacity of 230,000 tons. Its product range encompasses over a thousand specifications. The company holds certifications for quality management systems including ISO9001 and IATF16949, with all standard products certified for safety by UL in the United States. Its electromagnetic wires are extensively used across critical industries including industrial motors, home appliances, new energy, automotive, power tools, and instrumentation. Core product series include polyester wire, polyurethane enameled copper round wire, polyesterimide wire, and polyurethane enameled copper flat wire.