The registration address of zhang jia hak is located in room 5028 of the zhang jia hak tax zone and is the market supervisory authority of zhang jia hak, jiangsu province. The legal entity is represented by tsai triang and operates in the purchase and sale of hardware, mechanical equipment and accessories, knives, metal materials, chemical materials and products (other than hazardous chemicals) and related technical services, as well as in the import and export operations of self-employed and agency goods and technologies (except goods and technologies for which the state limits companies ' operations or bans imports and exports). (projects subject to legal approval may not operate without the approval of the relevant department)