jinzhou zhongshi chemical industry co.,ltd is located in Zhaowei chemical industrial zone Jinzhou city Hebei Province, China. We specialized manufacture cephalosporin intermediates, and our leading products contain: sodium 2-ethylhexanoate(cas:19766-89-3), potassium 2-ethylhexanoate(cas:3164-85-0), R-(-)-O-formyl mandeloylchloride(cas:29169-64-0), 4- pyridineacetic acetyl chloride hydrochloride(cas:27230-51-9) R-mandelic acid(cas:611-71-2)and so on.