Hebei Constant Wit Biotech Co.£¬Ltd, founded in2009, is a professional company that engages in the R&D and exporting of pharmaceutical intermediates and research chemicals and plastic raw materials, our main products including: UR-144, 5FUR-144, AKB48, 5FAKB48, PB22, 5FPB22, 3MEC, 4MEC, JWH-018, Methylone, HDPE,LDPE and PP Resins etc. \"CREDIT FIRST, MUTUAL BENEFIT\", is the trade principle that we always practice, and till now, our products have exported to many countries.