Comment: Most of the parts in current PA2 WS machine has been ware or being repaired many times. The operation condition is not stable causing below issues: > Product quality issue such as solder balls/splash and bad solder filling on PTH.> Long setup time during line change over because it is hard to tune for a proper parameters to balance solder balls/splash and solder fill condition of PTH. Sometimes need to verify PTH fill rate on 2DX machine for more than one time. This will reduce machine utilization.> Lots machine down time. 9 times of machine down time have been recorded during May to Sep.Suggestion: Suggest to scrap and replace current machine with a new famous local brand with the machine requirement specified on the next page.