Business Type

ปรับปรุงคุณภาพถ่านหิน

Category  : Briquets

- hardening - induction - black oxide - zinc plating - anodized - nitriding - phosphate surface - en (electroless nickel) - electro polishing - hard chrome - tic (titanium coating) - nickel - chromium

Category  : Plating & Plastic
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