The registration address of changju ho environmental science and technology ltd. Is located at no. 70 in the tianning international garden, changzhou city, jiangsu province. The registration authority is dong yongping, the administrative approval authority of the changzhou city tianning district. The legal entity is represented by dong yong-pyung and operates on general projects: research and development of resource recycling technologies; research and development of new energy technologies; bioenergy technology services; development of bio-based materials technology; research and development of new materials; technical services, technology development, technical advice, technology exchange, technology transfer, technology promotion; marketing of eco-environmental materials; sale of specialized equipment for environmental protection; sale of chemical products for daily use; sale of chemical products (other than licensed chemical products); sale of synthetic materials; sale of packaging materials and products; sale of metal materials; sale of electronic products; wholesale distribution of five gold products; retailing of five gold products; sale of labour-protective supplies; sale of electrical equipment; sale of plastics; sale of lubricants oil; sale of daily supplies; sale of office supplies; sale of instruments; repair of instrument instruments; sale of electronic surveying instruments; technical services; repair of general equipment (subject to be