The registration address of qingdao singheng plastics limited is located at no. 2897, aoshima city, aoshima city, and is known as the aoshima city market supervisory authority. The legal person is known as zhu xiancheng, and its activities include the manufacture, sale and sale of plastics, rubber, packaging, paper, wood, mechanical equipment and accessories, and import and export of goods. (b) 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)