Sichuan Shihong Technology Co., Ltd. was established in 2017, specializing in the production of various contents of plant-derived compound amino acid powder, compound amino acid, amino acid chelating trace elements, such as: Silk amino acid, EDDHA-Fe, vegetable sulfate powder, animal sulfate powder, polypeptide chelate, amino acid chelate calcium、 copper、iron、zinc, manganese、 boron； amino acid organic fertilizer, amino acid oligopeptide, amino acid coloring liquid, products through the ...View More