Longyou Hengfeng Paper Chemicals Co. Ltd. - Hangzhou, China

Our company specializes in manufacturing pharmaceutical intermediates and paper chemicals, with Zhejiang University and Zhejiang University of Technology in close co-operation, we have developed a number of raw materials and intermediates, the current production of high-dl-cystine, dl-high semi - cysteine thiolactone hydrochloride (erdosteine intermediates), inter-nitrobenzaldehyde (nitrendipine, nimodipine intermediates), cbz-l-Su-glutamine (an intermediate aztreonam), and other fixed raw materials and intermediate system.