Ge Long Hui A P P·2026-01-08 06:57Core Viewpoint - The Ministry of Commerce has announced an anti-dumping investigation into imported dichlorodihydrosilane from Japan, which has led to significant stock price increases for several gas companies in China, indicating a potential shift in the market dynamics for semiconductor materials [1] Group 1: Market Reaction - Stocks of Sanfu Co., He Yuan Gas, and Jin Hong Gas have hit the daily limit, with Jin Hong Gas rising over 11% and Silane Technology increasing by over 5% [1] - The announcement has positively impacted the stock performance of leading domestic companies in the gas sector, reflecting investor confidence in the potential benefits of the investigation [1] Group 2: Investigation Details - The investigation period for dumping is set from July 1, 2024, to June 30, 2025, while the period for industry damage investigation spans from January 1, 2022, to June 30, 2025 [1] - The investigation is expected to commence on January 7, 2026, and typically concludes by January 7, 2027, with a possibility of a six-month extension under special circumstances [1] Group 3: Industry Implications - Dichlorodihydrosilane is primarily used in the semiconductor manufacturing process for thin film deposition, essential for producing various types of chips, including logic, memory, and analog chips [1] - Domestic leading companies have achieved technological breakthroughs and secured orders, with Sanfu Co. notably delivering its first batch of electronic-grade DCS products to TSMC after passing quality verification [1] - Sanfu Co. has reported a steady increase in sales volume for this product among domestic clients, and its 500-ton annual production project for electronic-grade dichlorodihydrosilane has completed construction and entered trial production, indicating an imminent capacity release [1]