SINOTECH (BEIJING) DEVELOPMENT CO., LTD. is a Leonardite source organic fertilizer manufacturer in China. With own Leonardite Mine, we can supply high quality and competitive price organic fertilizer products. Taking advantage technology and equipment, we research and produce global satisfied products as well as reduce the manufacturing cost. We shall keep our step to developing excellent products all the time.Our mainly products include:1. Leonardite source Humizone Humate Fertilizer2. Leonardite source Humizone Fulvate Fertilizer3. Natural Extract Seaweed Extract4. Animal and Vegetal Source Amino Acid Additive5. Microelement Chelate Compound Fertilizer6. Slow Release Granule Fertilizer7. Liquid Extract FertilizerWith our Humizone brand, SINOTECH organic fertilizer products have been distributed to more than 20 countries in Middle East, Southeast Asian, Europe and South America.We always "Put Rich Nutrients to Soil