The registration address of qingdao mechanical science and technology ltd. Is located at no. 838 inkjoon ii road, aoshima city, shandong province. The registration authority is the huangtao city market supervision authority of qingdao city. The legal entity is represented by chen jing jing, and is engaged in technical research and development, technical advice, technical services, technology transfer in the field of mechanical equipment; design, production, sale: casting machinery, rubber machinery, hydraulic machinery, environmental machinery; and import and export of goods and technology. (c) operate other general operating projects that can be operated without administrative approval. (projects subject to legal approval may not operate without the approval of the relevant department)