# East Asia Brief — Analysis & Comparison: Cross-border

Cross-country comparison, supply chain mapping and the longer view on East Asian industry.

- [East Asia fab water rules diverge as Taiwan mandates reuse while Korea and Japan rely on state grids and local pacts](https://eastasiabrief.com/analysis/east-asia-fab-water-rules-diverge-taiwan-mandates-reuse-93) — Taiwan enforces a 50 percent reclaimed water quota on major fabs, while South Korea finances municipal effluent pipelines and Japan delegates intake controls… *(August 28, 2026; Analysis · Global · Taiwan Semiconductor Manufacturing Co., Samsung Electronics, Rapidus)*
- [Korea and Japan Diverge on Clean Hydrogen Incentives with Tax Credits and Contract Subsidies](https://eastasiabrief.com/analysis/korea-japan-diverge-clean-hydrogen-incentives-tax-credits-contract-79) — Tokyo deploys a 15-year price-gap subsidy funded by transition bonds while Seoul relies on upfront facility tax deductions and specialized power auctions. *(August 28, 2026; Analysis · Global · Korea Electric Power Corporation, JERA, POSCO Holdings, Mitsubishi Corporation)*
- [High-purity hydrogen peroxide supply chains face regional bottlenecks across East Asian fabs [90 characters]](https://eastasiabrief.com/analysis/high-purity-hydrogen-peroxide-supply-chains-face-regional-bottlenecks-74) — Semiconductor wafer manufacturers in South Korea, Taiwan, and Japan rely on localized ultra-pure chemical purification networks to prevent delivery… *(August 28, 2026; Analysis · Global · Mitsubishi Gas Chemical, Chang Chun Petrochemical, Hansol Chemical, OCI Company, Samsung Electronics, SK hynix, TSMC)*
- [Japan Expands CMP Slurry Lines for Backside Power](https://eastasiabrief.com/analysis/japan-expands-cmp-slurry-lines-backside-power-68) — Japanese suppliers of chemical mechanical planarization consumables are accelerating capital spending across domestic manufacturing sites to support… *(August 28, 2026; Analysis · Global · Fujibo Holdings, FUJIFILM Corporation, Resonac Holdings)*
- [Asian Shipyard Heavy Plate Costs Diverge as Mills and Builders Clash Over Contract Pricing](https://eastasiabrief.com/analysis/asian-shipyard-heavy-plate-costs-diverge-mills-builders-clash-59) — Structural gaps in domestic steel contracts and Chinese export plate inflows across South Korea, China, and Japan are shifting operating cost baselines for… *(August 28, 2026; Analysis · Global · POSCO Holdings, Nippon Steel, Baoshan Iron & Steel, HD Hyundai Heavy Industries, Hanwha Ocean, Samsung Heavy Industries, Yangzijiang Shipbuilding, Imabari Shipbuilding)*
- [Shipyard labor policies diverge as Korea, Japan, and China tackle yard manning gaps](https://eastasiabrief.com/analysis/shipyard-labor-policies-diverge-korea-japan-china-tackle-yard-51) — Governments deploy foreign visa quotas, shipyard automation grants, and state vocational pipelines to safeguard vessel delivery schedules through 2028. *(August 28, 2026; Analysis · Global · HD Korea Shipbuilding & Offshore Engineering, Hanwha Ocean, Samsung Heavy Industries, Imabari Shipbuilding, China State Shipbuilding Corporation)*
- [Comparing East Asia Fab Subsidies Across Japan, Korea, and China](https://eastasiabrief.com/analysis/comparing-east-asia-fab-subsidies-across-japan-korea-china-42) — Capital matching rates, cash disbursement mechanisms, and infrastructure funding models diverge sharply across Tokyo, Seoul, and Beijing. *(August 28, 2026; Analysis · Global · TSMC, Samsung Electronics, SK hynix, SMIC, Rapidus)*
- [East Asia accelerates 8-inch silicon carbide capacity race as power chip makers scale output](https://eastasiabrief.com/analysis/east-asia-accelerates-8-inch-silicon-carbide-capacity-race-35) — Fabricators across Japan, China, and South Korea add 200mm SiC substrate and epi lines to lower automotive inverter costs. *(August 28, 2026; Analysis · Global · Rohm, Mitsubishi Electric, Resonac Holdings, Sanan Optoelectronics, SICC, SK siltron, DB Hitek)*
- [Industrial Power Tariffs Diverge Across Seoul, Tokyo, and Guangdong Clusters](https://eastasiabrief.com/analysis/industrial-power-tariffs-diverge-across-seoul-tokyo-guangdong-clusters-29) — Grid tariff overhauls and seasonal peak pricing create widening operating cost disparities for semiconductor and chemicals fabs across East Asia. *(August 28, 2026; Analysis · Global · Korea Electric Power Corporation, Tokyo Electric Power Company Holdings, China Southern Power Grid)*
- [Grid Storage Costs Diverge Across East Asia as Safety Rules and Balance of System Shape Pricing](https://eastasiabrief.com/analysis/grid-storage-costs-diverge-across-east-asia-safety-rules-21) — Turnkey battery system capital expenditures in China undercut Japanese and South Korean installations by more than half due to balance-of-plant requirements… *(August 28, 2026; Analysis · Global · Contemporary Amperex Technology, BYD Company, Samsung SDI, LG Energy Solution, Tokyo Electric Power Company Holdings, Korea Electric Power Corporation)*

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