Shenzhen Qingyi Photomask Limited(SHSE:688138) added to Shanghai Stock Exchange A Share Index

Shenzhen Qingyi Photomask Ltd is a China-based company mainly engaged in the research, design, production and sales of photomask. The Company's main products include quartz photomasks, soda photomasks and others. The company's products are mainly applied to flat panel display, semiconductor chips, touch, circuit boards and other industries, and it is committed to satisfying the demands in the markets of integrated circuit (IC) bumping, IC foundry, IC substrate, micro light emitting diode (LED), and micro-electro-mechanical systems (MEMS).