英语翻译得知你们公司在今年年底之前要求把旧的产品型号都换成新型号.但你 12月份订单的交货期里出现同时新型号和旧型号,请

We know that your company will change the old product models to the new product models by the end of this year.But the new models and the old models both appeared with the delivery date in the orders of December.Please confirm whether you want to place the orders for these two models or you just want to purchase the new product models.Thanks!

We learned that your company will change all the old product models into new models before the end of this year. But we found that there are both old and new models in your order of Dec.2013. Please confirm if you want to order both models or just the new ones. Thank you!

Learned that your company requests the old product model before the end of the year for new model. But you order delivery date in December in new model and old model at the same time, please confirm to me if I want to place an order, or just under the new model? thank you.