帮忙翻译一句话，中译英，谢谢！

We already according to you the estimate demand to start to prepare raw material and to start to produce prepare goods.

we have already started to prepare the material and produce the spare parts according to your estimeated demand.

According to your forecast, we have already prepared the raw material and arranged for production, please note it.

We have already begun to prepare the raw materials and start production according to your estimated needs.

We have already started according to your demand is expected to begin production preparations and stocking of raw materials.