We are Shijiazhuang Shuohe Trade Co., Ltd, located in Shijiazhuang, Hebei, P.R.China. We have been engaed in the business of mino acids for more than 10 years, as the agent of the biggest manufacturer Donghua, Huayang, etc. Our main products include glycine, DL-methionine, L-lysine hydrochloride and other 28 kinds of amino acids, with industrial grade, food grade, feed grade and pharmaceutical grade. ? ...