帮我翻译一句话，汉译英。

WE promise we will supply you high quality products,self-contained spare parts and topping service.

We pledged to provide the high quality products , complete spare parts and first-class service to you.

We promise you high-quality products, compelte spare parts and first-grade service.

We promise your a high quality both of products maintain and service.

We pledge to provide you with high-quality products, all kinds of spare parts and best service.

We promise to provide high-quality products,perfect spare-parts,and first-class services to you