The registration address of yudhoyuan energy conservation technology co. Ltd. Is located in the village of du kwong, grand township, guangcheng county city, hebei province, with the registration authority being the grand town municipal market supervision authority, represented by legal persons and covering general projects such as: technical services, technology development, technical advice, technology exchange, technology transfer, technology diffusion; production of eco-environmental materials; marketing of eco-environmental materials; manufacture of synthetic materials (without hazardous chemicals); sale of synthetic materials; sale of chemical products (without licensed chemical products). (in addition to projects subject to authorization under the law, the operation of the business is carried out autonomously under a licence)