Chang Chun Arizona (Chang Chun Petrochemical)

長春石化

CompanyOperating

Added Sep 6, 2026 · Updated Sep 6, 2026

What they supply
Electronic-grade hydrogen peroxide and other wet chemicals
Home country
TW
In Arizona since
2022
Announced investment
$300M
Announced jobs
200
Customers served
TSMC, INTEL

Arizona sites

Casa Grande · Casa Grande — Pinal County

plant · Production 2024; Phase 1 building complete 2025 · Plans 'significantly scaled back' in March 2024 per Nikkei/DCD

Operating

Taiwanese petrochemical group producing electronic-grade H2O2 in Casa Grande. Announced at $300M / 200 jobs in October 2022; Pinal County lists $400M / 209 jobs; scale reduced in 2024.

Sources

  1. About — Chang Chun Arizona
  2. Project Discovery — Chang Chun Petrochemical Arizona — Mortenson
  3. Chang Chun plans Casa Grande plant — Area Development, 2022-10-26
  4. Chemical and material suppliers for TSMC and Intel pause Arizona construction plans — DCD (reporting Nikkei Asia), 2024-03-19

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