Gelonghui, May 7, 丨 Qingyi Optoelectronics (688138.SH) said during an investigation by specific subjects that judging from the current level of technology, most of the lithographers and quartz substrates used to produce mask plates are imported. The company has been actively exploring the expansion of the upstream industrial chain. It has cooperated with many domestic manufacturers for a long time, and has accumulated rich experience in promoting the localization of the upstream industrial chain. At present, the masking substrate gluing production line at the company's Hefei factory has been put into production, which helps the company reduce the overall procurement costs of raw materials, expand the product line, and improve the quality of terminal products.
清溢光电(688138.SH):目前公司合肥工厂掩膜基板涂胶产线已投入生产
Qingyi Optoelectronics (688138.SH): At present, the mask substrate gluing production line at the company's Hefei plant has been put into production
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