angzhou Yanhui Technology Co.,LTD is specialized in producing fine chemical, new energy materials, pharmaceutical intermediates, and biomaterials.. Main products include iron(II) oxalate dihydrate, lithium iron phosphate , ammonium hexafluorophosphate,potassium hexafluorophosphate, sodium hesafluorophosphate, glimepiride, 3-ethyl-4-methyl-3-pyrrolin-2-one, 4-[2-[(3-Ethyl-4-methyl-2-oxo-3-pyrrolin-1-yl)carboxamido]ethyl]benzenesulfonamide and fish peptone. Products are sold to Europe, America, Japan and Southeast Asia etc