The registration address of yamadong yuen chemical industries ltd. Is located on the second floor of the zinang materials trading centre, located in the tiananh bridge district, shandong province; on the second floor of the zinan materials trading centre; on the second floor; on the second floor; on the second floor of the zinan skybridge market supervisory authority; on the other hand, on the other side; on the other side; on the other hand; on the other side; on the other hand; on the other hand; on the other hand; on the other hand; on the other hand, on the other hand; on the other hand; on the other hand; on the other hand; on the other hand; on the other hand; on the other hand, on the other hand; on the other hand; on the other hand, on the other hand; on the other hand, on the other hand; on the other hand, on the other hand, on the other hand; on the other hand, on the other hand, on the other hand; on the other hand, on the other hand, on the other hand, on the other hand and on the other hand, on the other hand licensing projects (in addition to legally approved projects, operating autonomously under a licence): operation of hazardous chemicals. (a project subject to legal approval may only be carried out with the approval of the relevant department, subject to the approval documents or licences of the relevant department)