HENGSHUI DONGHUI BIOTECHNOLOGY CO., LTD. produces fertilizer additives: anti-caking, coating, granulating, disintegration, suspension, dust suppressant & coloring agents. iso 9001 certified, high-tech enterprise, national sci-tech sme, aaa credit, agri sci-tech little giant. drafter of 5 group standards (e. g., caking classification, anti-caking evaluation, etc. ). 10+ years experience, partners with major chinese fertilizer makers & exports to global brands.