Orient Star => send the invoice to us , we arrange the payment and give them the remit prove , they will post the B/L
Quanlity-Express => The Vessel start , they will send the B/L to us.
Sanco => send the invoice to us, we arrange the payment and give them the remit prove , they must receive the money or we provide some guarantees. then post the B/L , that will waste one or two days.