The registered address of yanya state environmental science and technology ltd. Is located in the village of mauti, yuteng town, yuang township, yuangang township, hebei province, with the registration authority being the grand city market supervision authority, with the legal personality of lu, covering general projects: technical services, technology development, technical advice, exchange of technology, technology transfer, technology diffusion, sale of ovens, furnaces and electric furnaces, manufacture and sale of specialized packaging equipment, sale of specialized equipment for environmental protection, sale of metal cutting machine beds, manufacture of insulation and soundproof materials, sale of coating materials, sale of synthetic materials (without dangerous chemicals), sale of anti-corruption materials, sale of seals, sale of graphite and carbon products, sale of sealed fillings, import and export of goods, storage services for ordinary goods (without dangerous chemicals,...