The registration address of the company is located at 527 west street, health, 507 u. S. C., shandong province. The municipal market supervisory authority, represented by a legal person, yang tsing tung, operates in the following areas: sale of sulfur, which is valid for a period of time, chemical products, which do not contain hazardous chemicals or toxic chemicals, import, export and import of goods, technology. (projects subject to legal approval may not operate without the approval of the relevant department)