Guangdong Silver Age Sci&Tech,Co.,Ltd. (300221.SZ) stated on the investor interaction platform on November 7th that the company's polymer materials are widely used in household appliances, electrical wires and cables, modern agriculture, rail transportation, aviation, sse high-end equipment manufacturing 60 index, communications, electronics and electrical, building decoration, new energy autos and other industries. The company currently does not provide products to Hytera Communications Corporation and is unaware of whether downstream customers have business with them.