The registration address of the city hengqing management company ltd. Is located at no. 275 of chiang zhongtung street, the city economic technology development zone, in shandong province. The registration authority is the market supervision authority of the city economic technology development zone. The legal person is represented by wong ling feng and operates in the areas of steel pipes, steel, construction materials, models, copper, plumbing, mechanical accessories, hardware, electrical hardware, mechanical equipment, and the sale of stainless steel products. (projects subject to legal approval may not operate without the approval of the relevant department)