IPO News | Tongcheng New Materials (603650.SH) Hong Kong Stock IPO Prospectus Expires

The Zhitong Finance App learned that the Hong Kong Stock Prospectus submitted by Tongcheng New Materials Group Co., Ltd. (abbreviation: Tongcheng New Materials, 603650.SH) on February 8, 2026 expired for 6 months and expired on August 8, 2026. Haitong International is its sole sponsor.

According to the previous prospectus, Tongcheng New Materials is a leading comprehensive new materials service supplier in China, focusing on advanced chemical products. The company is mainly engaged in R&D, production, marketing, sales and distribution of new chemical materials. During the track record period, the company's main business included three segments, namely (i) electronic materials; (ii) rubber additives for tires and other chemical products; and (iii) fully biodegradable materials.

In the field of electronic materials, the company ranked first among Chinese suppliers in terms of sales value in the Chinese semiconductor photoresist market and the Chinese TFT array photoresist market in the first nine months of 2025. On the other hand, as far as the tire rubber additives and other chemical products segment is concerned, according to the Frost & Sullivan report, the company ranked first in sales in the global and Chinese phenolic resin rubber additives markets in the first nine months of 2025. Furthermore, according to statistics released by the Rubber Additives Professional Committee of the China Rubber Industry Association, in 2024, the company ranked first among all rubber phenolic resin manufacturers in China.