Zhang yongwei, a legal person, is represented by zhang yongwei, who is registered as the market supervisory authority of the contesting area, located in the village of zhu xinjiang zhui, poding city, hebei province. The scope of operations includes the development, processing, sale of solar energy control equipment, lighting equipment, development, processing and sale of wind power equipment; processing, sale of photovoltaic equipment and metaware equipment; installation services for building lighting equipment; construction materials, hardware products, general machinery equipment, electronics products, household appliances, computers, software and assistive equipment wholesale and retailing; self-employed and agents import and export of goods other than those jointly operated by national organizations and other goods imported by authorized companies. (projects subject to legal approval may not operate without the approval of the relevant department)