Question

请帮忙翻译英文，谢谢。

从数据上来看，物料成本依然没有下降趋势，已经有些供应商要求涨价 2017自然年你们的销售业绩提升近20%，我相信我们的降价对贵司起了一定的帮助。

Answer 1

Seen from the data, the material cost has not declined yet。There have been some suppliers who ask for raising price .In 2017 your sales will rise by 20%, I believe that our reducing price is quite helpful to your company.
供参考

Answer 2

According to the data,the material cost haven't tend to decline yet,there have been some suppliers asking for a higher price.In 2017 you company had(你这句话时态不是很明确，2017年还没完。由于后面一句你用了过去式“了”，这里我也用过去式) a around 20% improvement in sales, I think our price cut did contribute in part to that .