The registered address of zhang jia jiadong mechanical science and technology ltd. Is at c1215, western road, yang sheng town, chang jiang city (zhang jiang commercial palace). The registration authority is the zhang jiazhou city administrative approval board, which is represented by legal persons and includes technical research and development, technology transfer and related technical services in the area of machinery and equipment; metal materials and works, construction materials, machinery equipment and spare parts, textile raw materials and products, chemical raw materials and products, hardware, hardware, plastic raw materials and products, furniture, office supplies, daily department goods, wood and wood products, rubber products, glass products, electronics, cosmetics, packaging materials and products, minerals, crafts, medical equipment; and import and export operations for various commodities and technologies. (projects subject to legal approval may not operate without th...