Founded in March 2004, SINOTECH (BEIJING) DEVELOPMENT CO., LTD. is a Leonardite source organic fertilizer manufacturer in China. With our own Leonardite Mine, we can supply high quality and competitive price organic fertilizer products. We have been offering OMRI listed Humic/Fulvic fertilizer/material for years.
1. Leonardite source Humizone ® Humate Fertilizer
2. Leonardite source Humizone ® Fulvate Fertilizer
3. Animal and Vegetal Source Humizone ® Amino Acid Additive