About the stacker, we got one comment about the upper conveyor. it should be installed one more roller to protect the end of the plate when it turn or bending. We will send you the photo later. It is small adjustment to avoid the scratch at the end of upper side of the sheet. --- It would be better to have both the photos and the assembly drawings if you have to save designing time.
About the back up roll for the straightener, we agree to your advice that the backup roll is no need if your straightener roll is strong enough. --- Ok. Thank you.
About the coil downener, we got the limitation about the space of our own facility. We decide not to purchase the coil downender at the moment but we still need the additional motorize gage table. --- Ok. Will modify the related terms in contract.
For the first year of the service, it should be better to exempt all charge for the service which is conditionally covered by guarantee. --- I haven't found any additional service charge neither for line commissioning nor for the later 3 times on site service charge. Of course, there would be still service people's air-tickets and hotel accommodation expenses existing. Would you please specify where is my expression mistake?