英语翻译来救命~急~在线等~ 谢谢！

We will persist your company as the backup force of our development and spare all efforts to work for you company with sincere cooperation attitude and brave struggling spirit.

我们将坚持以贵公司作为我公司发展的后盾，以真诚的合作态度、顽强拼搏精神，全力效劳贵公司。
We'll firmly take your company as the strong support of our company's development and serve your company whole heartedly with the spirit of sincere cooperation and hard struggle.

We persisted to your firm took the our company develops the backing,by the sincere cooperation manner, tenaciously strives for success thespirit, works for your firm with all one's strength.（觉得好的话送个分，谢谢）

We will persevere with your company as our development backingforce, with pure-hearted cooperation attitude, dogged struggling spirit to service your company.

我们将坚持以贵公司作为我公司发展的后盾，以真诚的合作态度、顽强拼搏精神，全力效劳贵公司。
We'll firmly regard you as the strong support of our development and serve you pure-heartedly with the spirit of sincere cooperation and brave struggle.