Bentonite for Oil Field and Mining Operationscalcium Bentonite for Organic Fertilizer Carriers. ISO 9001:2015 Certified: International quality system certification ensures consistent product standards. OEM and ODM Services: Full customization available from samples, designs, or flexible requirements. 100% Finished Product Inspection: Strict visual and function inspection for every batch before shipment. Direct Manufacturer Supply: Professional mineral material enterprise with mining, production, and sales integration. Fast Delivery Time: Standard delivery within 7-15 days from Tianjin Port. Wide Product Range: Includes Kaolin, Bentonite, Tourmaline, Talc, Colored Sand, and more. Global Market Reach: Products exported to North America, Europe, Asia, and other regions. Traceable Raw Materials: Full traceability system ensures quality and safety of raw materials.