Inquiry (采购产品): Hot Oil transfer system I have a heat exchanger that was purchased from you in 1989. H.E.A.T.inc job # was J-3890. I was wondering if you have any PM procedures and safety checks for this equipment. **** Hidden Message ***** Dave Douglas 28086 Company: Chemetall Foote Corp E-mail: dave.douglas@chemetall.com **** Hidden Message ***** dave.douglas@chemetall.com