Shenzhen Qingyi Photomask Limited engages in the research, design, production, and sales of high precision masks in China. It offers photomasks; TFT, touch panels, IC bumping, IC, and copy masks; liquid relief and dry plates, and films; and CMM coordinate measuring machines, LMM seam width measuring machines, TFT laser repair machines, LCVD repair equipment, and PDP barrier repair equipment. The company was founded in 1997 and is based in Shenzhen, China.