[Rongda photosensitive: under development of black photoresist (BM glue) technical indicators of similar international mainstream products] "Science and Technology Innovation Board Daily" on the 9th, Rongda photosensitive recent disclosure of investor relations activity record table shows that the company's current mass production of the main product used in the panel industry is TFT array positive photoresist, has reached the international level of similar products. Black photoresist (BM glue) is being developed, and the technical index is also the international mainstream product of the same kind. The company has established cooperative relations with major domestic PCB manufacturers for a long time, such as Shennan Circuit, Chongda Technology, Jingwang Electronics, Shenghong Technology, Jianding Technology, Hanyubod and so on.