Since our founding in 1918, Yoneyama has continued supplying high-quality products in the face of numerous obstacles including world wars and energy crises. Our long-term endurance proves the dependability of our brand.
We produce organic and inorganic products in both large and small quantities. Our wide range of products includes organic acids and non-phosphate products such as ammonia and metal salts.
We maintain a stable supply of high-quality products by using only domestic production for major raw materials, and drawing on a network created under our business continuity plan and cultivated over many years.
We respond precisely to client needs, using our technologies to bring them to life as developed products. Our tailor-made approach is embodied by our ‘YOUR LABO’ concept.
High-quality products complying with all applicable laws
We create safe and worry-free products that comply with all applicable laws governing items such as special grade reagents, food additives, fertilizers and toxic substances.
Efficient particle size control
We provide high-yield mesh control by varying production conditions.
Reducing solidification
We use a number of different measures to reduce product solidification in processes ranging from production to distribution.
For just over a century, Yoneyama has been responding to the needs of many different industries by developing chemical products that help enrich the lives of users. Yoneyama draws on a rigorous quality control system to work on unlocking the unlimited future potential of chemistry. Our unwavering commitment to R&D drives our ongoing development of products with unlimited potential to make life easier for users and enrich their lives.