Inquiry (采购产品): Liste of materials Hello, I am a Tunisian process engineer, I'am intesseting to collect some informations about Closed Loop System in wastewater treatment practices. I sinserely need your help. **** Hidden Message ***** Amine Bouras 1053 Company: EPPM E-mail: ingenieur.process@yahoo.fr **** Hidden Message ***** ingenieur.process@yahoo.fr