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CHU 2

CHU 2 vs CHU 3: Metal Shells, Comfort and Paint Peeling

September 30, 2026 by admin

Illustration of zinc-alloy IEM housing production: tooling, die casting, trimming, surface preparation, coating and finished shells

CHU 2 vs CHU 3: explore zinc-alloy shells, comfort and paint peeling, plus how IEM housings are cast, coated and priced. Read the manufacturing and care guide.

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