Shijiazhuang Lemandou Chemicals Co., Ltd. It is an expert enterprise in the research and development and production of liquid functional fertilizer stock solution. Its products have been exported to seven countries and regions in Europe and the United States, and it has served more than 110 foreign companies, state-owned enterprises, central enterprises and listed enterprises. The main products are liquid functional fertilizer stock solution and microbial microbial agent, covering large/medium/trace elements, humic acid, amino acid, organic water-soluble fertilizer and other products, passed ISO19001 international certification, with a perfect management system.