The registration address of chongqing yi yuen metals materials ltd. Is located at the 135th of the 13th building, located on the street of jiro city, kowloon poe, chongqing city. The registration authority is the market supervision authority of the kowloon poe district of chongqing city, represented by a legal person, li haiyan, and operates on a licensed project: construction works. General projects (subject to legal authorization and approval by the relevant department): sale of metal materials; production of metal structures; construction of metal structures; steel-stamp processing; sale of specialized equipment for environmental protection; production of axle steel products; sale of steel bars for construction; manufacture of light construction materials; sale of light construction materials; manufacture of insulation and soundproof materials; sale of insulation and soundproof materials; sale of non-metal minerals and products; water pollution management; technical services, technology development, technical advice, technology exchange, technology transfer and technology diffusion. (in addition to projects subject to authorization under the law, the operation of the business is carried out autonomously under a licence)