GF SECURITIES·2026-01-18 10:46Core Viewpoints - The report maintains a bullish outlook on cleanroom segments due to ongoing overseas demand and accelerated domestic substitution in the construction and decoration industry [1][4]. Group 1: Semiconductor Capital Expenditure - TSMC and Micron are significantly increasing their capital expenditures in 2026, with TSMC's actual capital expenditure expected to reach $40.9 billion, a 37% increase from $29.8 billion in 2025, marking a historical high for the company [12][16]. - Micron has raised its capital expenditure forecast for the 2026 fiscal year to $20 billion, up from an initial estimate of $18 billion, indicating strong growth in the semiconductor sector [12][17]. - Domestic semiconductor companies, including Changxin Technology and SMIC, are also in critical phases of expansion and technological upgrades, with capital expenditures expected to grow significantly [12][18]. Group 2: IDC Construction and Internet Companies - The construction of domestic IDC projects is progressing, with major internet companies and operators accelerating their investments. For instance, China Mobile's data center project in Hohhot is valued at CNY 5.244 billion, while China Telecom's smart cloud base project is valued at CNY 880 million [22][23]. - Leading internet companies like Alibaba and ByteDance are planning substantial investments in AI-related infrastructure, with Alibaba set to invest CNY 380 billion over the next three years [22][24]. - The report suggests that construction companies can leverage their resources to participate in IDC operations and maintenance, enhancing their value-added services [22][24]. Group 3: Coal Chemical Projects and Steel Prices - Coal chemical projects are steadily advancing, with significant contracts being awarded, such as the CNY 1 billion contract for the Shenhua Yulin project [26][27]. - Steel prices have seen a slight decline, with the average price of medium and thick plates at CNY 3,359 per ton, down 0.6% week-on-week, indicating a stable but low pricing environment [28][29].