The registration address of china-jianjian industries ltd. Is located at the 5th row 2 of the 5th row of the maung building materials market, 28 km from the east riang road in tianjin city. The registration authority is the market supervision authority of the east riang district of tianjin city, represented by legal persons and covers general projects: wood processing; timber marketing; sale of wood products for daily use; sale of soft wood products; sale of construction materials; sale of building and decoration materials; sale of temperature-conserving materials; sale of sanitary ceramics; sale of metal structures; sale of metal materials; wholesale distribution of hardware products; retail sale of hardware products; construction of landscaping works; packaging services; software development; technical services, technology development, technical advice, technology exchange, technology transfer, technology promotion. (in addition to projects subject to authorization under the law, the operation of the business is carried out autonomously under a licence)