The registration address of jeenan five star test instrument ltd. Is located at no. 22, stonestow, jeunan district, shandong province, with the registration authority of jeunan city. The zone market supervisory authority, represented by legal persons, operates in the areas of technological development, technical advice, design, sale, manufacture, maintenance of test machines; technology development, technology transfer, installation, maintenance of machinery and equipment; mechanical processing; wholesale, retail and retail: instrument meters, teaching equipment, hardware exchange, electronics; import and export operations. (projects subject to legal approval may not operate without the approval of the relevant department)