Can our order of 100 cars be shipped as soon as possible?
我们订的100辆小汽车能尽快装运吗？

An early reply from you will help us to speed up the shipment.
如果你们尽快答复，我们便可以加快出货速度。

The order No. 105 is urgently required so we have to ask you to speed up shipment.
第105号订单所订货物我们要急用，请你们加快出货速度。

Could you manage to hasten the delivery?
你们能否加快装运？

Could you possibly effect shipment more promptly?
你们能不能提前一点交货呢？