I have modified the drawing to customer comments and has written up a new drawing for the drawing. I sent for you to check and approve before. To be sent to customers.
I have edited the drawing according to customers ' opinions and write drawing increased to drawing. I sent for you to review and approve before it is sent to the customer.
I have Edit drawing in accordance with the customer feedback, and has written for new drawing up drawing complete. I was sent to give you, sir, in order to review and approve before sending it to the customer.