$TSM is building a Taiwan-based supply chain

The goal is to reduce supply-chain risk, shorten qualification cycles, and make sure TSMC is not dependent on one global supplier for every component
> This is really bullish for Taiwanese small-cap semicaps
TSMC is evaluating both global and local suppliers for future CoPoS and panel-level packaging lines, with Taiwanese names like Gudeng, Mirle, Scientech, GPTC, Utechzone, VisEra and GPM reportedly involved
AI semiconductors are becoming less constrained by wafer capacity alone. Bottlenecks are moving into CoWoS, CoPoS, chemicals, plating additives, CMP materials, precision parts and packaging tools, which is why TSMC wants to secure the supply chain domestically
In 2024, TSMC launched a “Parts Localization and Innovation Program” with financial support and technical guidance. By February 2026, it had worked with 12 suppliers, developed 22 CIP solutions, cut parts validation and development lead times by 50%, and created more than NT$2 billion in annual output benefit
The program focuses on metal machining, brittle materials, ceramic sintering, surface coatings, and rubber O-rings
TSMC also helped a Japanese electroplating additive supplier set up local production in Taiwan for advanced packaging chemicals. That cut production cycle time from 60 days to 20 days, improved transportation efficiency by 90%, and the locally produced additives were introduced at Advanced Backend Fab 2 in January 2026, with rollout expected across Backend Fabs 3, 5, 6 and 8 by the end of Q1
In its 2025 annual report, TSMC said chemical suppliers have been moving new operations closer to its major manufacturing facilities to improve logistics and reduce supply risk. It also said lithographic-material suppliers work closely with TSMC on application and cost requirements, while slurry, pad and disk suppliers have relocated, or plan to establish, manufacturing sites closer to TSMC fabs