中译英:与销售部同事合作完成一个大型客户的开发和采...

Together with my colleagues in the sales department, we have finished the signning of a letter of intent with one of our big customers for the cooperation and purchases. During that period I have gained a lot of experiences in sales and purchases of big orders with big customers.

与销售部同事合作完成一个大型客户的开发和采购意向书的签订。
And the sales department colleagues completed a large-scale customer development and procurement of the signing of a Letter of Intent.

期间积累了较多针对大型客户的销售和大订单采购的经验。
During accumulated more large customers against the sale and large orders procurement experience.