Beijing tianqing junhua science and technology ltd. Is registered on the 1st floor of jan road, 6th floor, beijing city, with the registration authority being the beijing city dinhing district market supervision authority, representing the legal person, and covering general projects: technical services, technology development, technical advice, technology exchange, technology transfer, technology promotion; information advisory services (without licensed information); production of eco-environmental materials; production of chemical products (excluding licensed chemical products); marketing of chemical products (without licensed chemical products); sale of construction materials; retail sale of hardware products; sale of machinery equipment; sale of building blocks; wind power technology services; rental of machinery equipment; marketing of eco-environmental materials; sale of specialized chemical products (without dangerous chemicals); and design of graphics. (except for projects s...