Improve Crop Resistance High Effective 100% Natural Minerals Black Shiny Flakes Potassium Humate

Improve Crop Resistance High Effective 100% Natural Minerals Black Shiny Flakes Potassium Humate. Natural Mineral Source: Derived from Leonardite, offering 100% natural organic fertilizer benefits. Flexible Packaging Options: Available in 1kg to 1MT jumbo bags, customizable to customer requirements. Professional Manufacturer: Over 15 years of experience in humic acid R&D, production, and sales. Strict Quality Control: Three laboratories in Tianjin, Shanxi, and Shandong ensure rigorous testing. Quality Guarantee: Free replacement or refund for any technical or quality issues caused by us. Free Sample Testing: Free samples provided for testing, with freight paid by the buyer. International Certification: Certified by ISO and Ceres, meeting international quality standards.