[Shuangxiang shares: the optical grade PMMA/MS project with an annual output of 300000 tons is under construction]-- Shuangxiang shares issued a stock trading announcement on 31 May, saying that the company's business situation has been normal recently, and no major changes have taken place in the internal and external operating environment. The company's wholly-owned subsidiary Chongqing Shuangxiang Optical Materials Co., Ltd. has an annual output of 300000 tons of optical grade PMMA/MS project under construction, the company will speed up the construction progress to achieve mass production of the project as soon as possible.