The registered address of hebei qianqing heat energy conservation technology ltd. Is in the village of du kwong village, grand city of guangcheng county, kangang city, hebei province. The registration body is the grand city market supervision authority of kanyamang city. The legal entity is represented by ma and operates in the areas of technical services, technical development, technical advice, technical exchange, technology transfer, technical promotion of energy-saving products; sale of refrigeration, air conditioning equipment; sale of heat insulation and sound insulation materials; sale of windmills, fan manufacturing; sale of asbestos products; sale of metal products for fire protection; sale of fireproof materials; sale of heating materials; retail sale of hardware products; sale of chemical products (other than licensed chemical products); construction works; construction professional works; installation and repair of special equipment; and subcontracting of construction services. (projects subject to legal approval may not operate without the approval of the relevant department)