The Er dao District Casting Well Supplies Distributing Office (a sole proprietorship) was established on April 30, 2024. Its registered address is No. 38, Building 4, Production Material Trading Market, Linhe Street, Er dao District, Changchun City. The legal representative is Wu Qingyao. The business scope includes general projects: sales of building materials; sales of metal products; sales of valves and plugs; sales of insulation materials; sales of corrosion-resistant materials; sales of building waterproof membrane products; operation of wires and cables; sales of distribution switch control equipment; wholesale of hardware products; sales of architectural ceramic products; sales of sealing materials; sales of thermal and soundproofing materials; sales of paints (excluding hazardous chemicals); sales of glass fibers and products; sales of instrumentation; sales of metal materials; sales of electrical equipment; sales of rubber products; sales of mechanical electrical equipment; sales of fire protection equipment; sales of plastic products; sales of daily necessities; sales of labor protection products; sales of pneumatic and electric tools; sales of specialized chemical products (excluding hazardous chemicals); and sales of pumps and vacuum equipment; sales of machinery; and sales of fans and blowers. (Activities shall be carried out in accordance with the provisions of the business license and other applicable laws and regulations.)