Hongbai New Materials Hits Daily Limit; Expands High-End Sili

Keywords: Hongbai New Materials, silicone, capacity expansion, high-end materials Summary: Hongbai New Materials (605366) closed at its daily limit on May 14, driven by its leading market share and overseas capacity expansion in high-end silicon-based materials. Details: Hongbai New Materials’ stock price surged to its daily limit today, closing at 12.21 RMB. The company’s sulfur-containing silane coupling agent holds the top global market share, covering the world’s top 10 tire manufacturers. Its Thailand subsidiary plans to invest 970 million RMB to expand capacity, with the first phase starting construction and scheduled to reach production by the end of 2026. Additionally, the convertible bond investment project will add 33,700 tons of high-purity electronic-grade silicon-based functional materials and special silanes, entering high-end tracks such as semiconductors, optical communications, and new energy.