https://biz.prlog.org/tag/process-chemistry/ process chemistry - Free business directory on PRLog.Org, latest companies listed first. 60 https://biz.prlog.org/HELGroup/ HEL is an international company that specialises in research and pre-pilot scale chemical reactors and related data logging/automation tools for the process R&D in the pharmaceutical, fine chemical and petrochemical industries.Wed, 29 Jul 2009 15:57:49 GMT