We're willing to submit our 4 page files (Option Roller) for your consideration & approval. Please check all details and note down on it if have any issue which not proper or any comment because we must confirm the order interroll roller with before. If not please return back to us with your signature on them for your approval & confirmation. And we will send the Belt Conveyor drawing about this date 28/9/2016. Sorry for our late and thank you for you patience.