Inquiry (采购产品): Stack dampers Please advise on the following: 1. Does your company make stack dampers for HRSG's? 2. From what I observed,stack dampers can get stuck and could be a maintenance issue. How do you avoid or take care of this problem? Best Regards, Hoc Phung **** Hidden Message ***** Hoc Phung 94105 Company: PG&E E-mail: hqp1@pge.com **** Hidden Message ***** hqp1@pge.com