彤程新材递表港交所

Group 1 - The core point of the article is that Tongcheng New Materials Group Co., Ltd. has submitted an application for listing on the Hong Kong Stock Exchange, with Guotai Junan and Haitong International as the sole sponsors [1] - Tongcheng New Materials is identified as a leading comprehensive new materials service provider in China, focusing on advanced chemical products [1] - The company's main business segments include electronic materials, rubber additives for tires and other chemical products, and fully biodegradable materials [1]