(a) the registration address of guangzhou city dollar industrial materials ltd. Is located at no. 9 a19, cross-post no. 9 of the tianhe road, tianhu district, guangzhou city. The registration authority is the market supervision authority of the tianhu district, guangzhou city. The legal entity is represented by hong ting soon, and its operations include the manufacture of printed circuit boards; the manufacture of electronic components and components; the manufacture of optical electronics and other electronics; the manufacture of integrated circuits; the manufacture of chemical reagents and aids (except for controlled chemicals and dangerous chemicals);