Glonghui May 27 丨 Silver Jubilee Technology (300221)(300221candycrush1.SZ) said on the investor interaction platformcandycrush1, the company has PI adhesive materials in electronic chemicals developed, produced and sold that can be used as electromagnetic shielding materials. However, PI materials are still in small batch trial production, and their revenue is small, and the proportion of revenue in the company's consolidated statement revenue has not reached the disclosure standard.
