Dear Ahmed,
Good Morning.
First of all, sorry for the delay.
Reference to the below mail, please find my comments on all the below points.
1- For the service contract; we collected the cheque and all parts were ordered, also we visited your site and performed the required service & solved the problem in compressor GA75+ API616935.
2- At the same time regarding Order 455 for the service of the dryer (what is the status), please find the revised offer.
3- Order 1336 for the filter (what is the status ,invoice is required to arrange payment), will send the related invoice today and you can send your delegated person to receive parts after that.