Shenzhen Rongda Photosensitive & Technology Co., Ltd. engages in the research and development, manufacture, and sale of photosensitive chemical materials. It specializes in printed circuit board printing ink, positive photoresist, and special ink. Its products includes liquid photoimageable solder mask; liquid photoimageable etching resist ink; ultraviolet curable solder mask; liquid photoimageable solder resist ink-light-emitting diode pannel; positive photoresist for display, for integrated circuit, and for semiconductor lighting; metal protective ink; and glass protection ink. The company was founded on June 25, 1996 and is headquartered in Shenzhen, China.