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Hebei Changhao Biotechnology Co.,Ltd is professional amino acids manufacturer, the main products are L-Threonine,L-Lysine HCL, L/DL-Methionine,L-Methionine etc. Same time, we also trade other amino acids, vitamins, sweeteners and extractive. Our company established in 2008year and in 2013year we moved to our new plant. In our new plant, we have four production lines, separate lab and separate warehouse. Up to now we had got ISO22000,ISO9001,KOSHER, MUI HALAL, domestic HALAL, QS certificates. Our company total production about 6000tons.The products are mainly exported to Europe,Africa,Asia,North America,South America,Oceania more than 100 countries.