Reasons why Toyo Chemical is chosen.

All surface treatment challenges solved. A unique company providing consistent support.

This document, "Reasons to Choose Toyo Chemical," is an introductory material that clearly summarizes the strengths of Toyo Chemical Co., Ltd., a specialized company in metal surface treatment that has built trust and a track record for over 60 years. The biggest feature is the "integrated system of seven businesses." By completing all processes—from design, cutting, surface treatment, precision cleaning, inspection, packaging, to automation—within a single company, we achieve stable quality, shortened delivery times, and cost reductions. In particular, our electrolytic polishing achieves an industry-leading surface roughness of Ra=0.02μm, earning high praise in the semiconductor, medical device, and precision equipment sectors. The document also explains our compliance with ISO9001 and 14001, SEMI standards, and our quality assurance system through 100% inspection and traceability, along with data demonstrating our advantages compared to competitors. It introduces flexible technical responses, including the development of surface treatment agents and custom design of equipment tailored to customer challenges, with plenty of practical examples. Additionally, it contributes to improving productivity on-site through our achievements in self-developed automatic inspection and marking, as well as support for the automation of production lines. This document serves as a valuable resource for those in the technology, procurement, and quality departments who are looking for a reliable partner in surface treatment operations.

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