Hongyi Rongda (Kunming) Biological Technology Co., Ltd. private, Established in 2000; Leader in Organic Fertilizer Research, Development, and Production; 70% of our employees have advanced degrees in biology and Chemistry.
The "Rong Da" ecological compound fertilizer is a kind of high quality Humic acid water-soluble fertilizer that has been accredited a green fertilizer of grade A by China Green Food Development Centre.
It is an organic, active and highly effective fertilizer ( in which active humic acid and xanthohumic acid 100g/L, modified nitrogen, phosphorus and (kalium 500g/L, and Mo, Zn, Mn, Ca, Mg, B and Cu 20g/L).
