Zhang xianxi, market supervisory authority of the jinghai district of tianjin city, with legal representatives, is located at the registration address of the limited liability company of the tianjin company, located on the second side of the luxiang province processing logistics zone, located in zhongjin city, and is operating on general projects such as: manufacture of plastics; sale of plastics; sale of synthetic materials; sale of construction materials; sale of metal materials; retail sale of hardware products; sale of metal structures; sale of rubber products; sale of paints (excluding hazardous chemicals); sale of machinery equipment; sale of building waterproofing and water-proof products; sale of electrical equipment; sale of electrical installations; operation of electrical lines, cables; sale of doors and windows; sale of refrigeration and air-conditioning equipment. (in addition to the projects subject to legal authorization, the operation is carried out on an autonomous ...