[Meichang shares: subsidiary plans to invest no more than 400 million yuan in the construction project of high-efficiency electroplating diamond line production line]-- Meichang shares announced that it is proposed to take Yang Lingmeichang, a wholly-owned subsidiary, as the main body to invest in the construction of high-efficiency electroplated diamond line production line construction project. the project is located in Yangling demonstration Zone, Shaanxi Province, and the proposed investment amount of the project does not exceed 400 million yuan.