The registration address of yen yuen electronic materials ltd. Is located at room 201, no. 3, tihua street, dong chong town, dong chong city, guangdong province. The registration authority is the market supervision authority of dong chong city, represented by zheng su min, and operates in the following areas: electronic materials, insulation materials, plastics, packaging materials. (projects subject to legal approval may not operate without the approval of the relevant department)