Shenzhen Rongda Photosensitive & Technologh Co Ltd is a company engaged in research, development, production and sales of electronic chemicals. The Company’s products include printed circuit board (PCB) inks, lithography materials and supporting chemicals, as well as specialty inks. The products are used in the electronic information industry, including information communication, consumer electronics, household appliances, automotive electronics and aerospace. The PCB ink products are consisted of PCB photosensitive circuit ink, PCB photosensitive solder resist ink and other inks. The lithography material products include ultraviolet positive glue and ultraviolet negative glue.