The registration address of zinjiang iron and steel company ltd. In tianjin city is 100 metres east of the taihu town group, which meets 10 billion crossings, and the registration authority is the market supervision authority of the jinghai district of tianjin city, represented by a legal person, yao chun yu. The scope of the operation includes general projects: construction of metal materials; sale of metal materials; wholesale distribution of hardware and metal products; sale of metal structures; sale of high-quality special steel materials; sale of photovoltaic equipment and metaware; solar power technology services; sale of solar thermal electricity products; sale of solar thermal equipment; sale of machinery spare parts; sale of spare parts; storage services for general goods (excluding projects requiring authorization such as dangerous chemicals); technical services, technology development, technical advice, 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)