The customer wants to change both the screw and Barrel both together, so that they do not want to waste any more time because customers fear that if the change just a single SCREW and not to waste time going over this and HWA CHIN will be responsible for the expense, downtime or not.
As of now, on another owner's customers consider a Hwa chin has a problem. To your customer you send a BARREL came a PIONEER and allows your technicians to investigate the problem that the NCA before changing the BARREL and SCREW the install date, whether or not the PIONEER. If you remove the SCREW and BARREL are not experiencing it without changing the BARREL, you brought it back to how you think