Kütahya Sülfat Kimya Sanayi A.Ş has been manufacturing organomineral fertilizers and sulfate-based products for more than 10 years. With our brand “Black Strong,” we proudly serve customers across Türkiye and numerous countries worldwide. Backed by extensive industry experience, we are committed to delivering high-quality products and maintaining the highest level of customer satisfaction. Our goal is to provide reliable, effective solutions to growers in every market we serve.