GreenCal is a high-quality gypsum product specifically developed for agricultural use, particularly in soil improvement and promoting plant growth. Our product undergoes rigorous quality inspections following international standards and has received numerous awards to certify its quality and safety.
ISO 9001 Compliance
At GreenCal, we are committed to producing high-quality products and delivering excellent services. By adhering to the ISO 9001 standard, we continuously improve our production processes and quality management systems. This dedication enhances customer satisfaction and builds trust in our products.
GMP Compliance
GreenCal adheres to Good Manufacturing Practices (GMP) to ensure the highest quality of its products. Every step, from raw material selection to production and packaging, is carefully controlled to maintain excellence.
HACCP Certification
GreenCal’s production is designed to ensure product safety and eliminate potential hazards. Certified under the HACCP standard, our process focuses on hazard analysis and control to guarantee safe and reliable products.
IFOAM Certification
GreenCal is certified by IFOAM, affirming that our products comply with organic agriculture standards. We use natural raw materials and eco-friendly processes to support sustainable farming practices.
Certification from the Islamic Committee Office of Thailand
This certification ensures that GreenCal products comply with Islamic principles, providing consumers with confidence in their safety and adherence to religious guidelines.