Toll processing of Surface treatment was established in 1963 to expand into other industries, such as pre-treatment processing of aluminum building materials for painting. We use our own products for surface treatment processing and have been expanding into various fields such as communication parts, street lights for roads, aircraft parts and automobile parts, mainly aluminum building materials.

Products

Environmentally Friendly Treatment

Environmentally Friendly Treatment (Chromate Free Treatment)

Since 2006, we have been providing RoHS-compliant Chromate-free treatment for ship parts and electric power-related parts.

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Zinc Phosphate Treatment

Zinc Phosphate Treatment

We provide zinc phosphate treatment for steel materials. Zinc phosphate coatings are used in various fields, such as automobile parts and bicycle frames, due to their high corrosion resistance and anchoring effect that improves adhesion.

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