Sichuan Shihong Technology Co.,Ltd is one of the largest amino acid fertilizer manufacturer in China, specialized in the research, development and production of amino acid powder, amino acid liquid and amino acid chelating（Ca,Mg,Zn,Cu,Mn,Mo,B etc）products.With mainly exportation to more than 70 countries and regions such as the United States, Europe, Southeast Asia and South America, we win valued reputaion among customers. We have our own R&D team and standard test laboratory,which are equipped with advanced detection instruments like high performance liquid chromatography, atomic absorption spectrophotometer, as well as Kjeldahl nitrogen analyzer which can analyze amino acid content, total nitrogen content, organic nitrogen content, organic matter and various metal element content