GENEVA, Dec. 28 -- JIANGSU HENGGUANG NEW MATERIAL CO., LTD. (South of Dayu Road and North of Jiangming Road in Tongzhou Bay River Sea Joint Development Demonstration ZoneNantong, Jiangsu 226333), 恒光新材料（江苏）股份有限公司 (中国江苏省南通市通州湾江海联动开发示范区大禹路南、江明路北) filed a patent application (PCT/CN2024/138800) for "PROCESS AND DEVICE FOR PREPARING POLYURETHANE COMPOSITION FOR SOUND INSULATION SPONGE OF AUTOMOTIVE TIRE" on Dec 12, 2024. With publication no. WO...