That is ok,please check the PI in the attachment.
And for this 10 units,we will do the Form-E for you my friend.and we need two weeks to prepare your this machine because of your pointed 304# panel.
And wish can receive your this 500 units order.and for this 500 units,we need 15~25days to prepare your machine spare parts,and 30days to producing.
Please check the PI and the above situation,and waiting for your idea!