The registered address of Shenzhen Zhengdachang Technology Co., Ltd. is located on the second floor of Building B, Dashiling Industrial Zone, No. 87 Ainan Road, Longdong Community, Baolong Street, Longgang District, Shenzhen. The registration authority is Longgang Supervision Bureau of Shenzhen Market Supervision Administration, and the legal representative is Qiu Guanghua. The business scope includes the sales of electric heating products, hardware products, insulation materials, electronic tools, and temperature control equipment. Sales of mechanical and electrical equipment; Sales of household appliances. (Except for projects that require approval according to law, independently carry out business activities based on the business license) Processing of electric heating products; Manufacturing of mechanical and electrical equipment; Manufacturing of household appliances.