請問用英文在ｅｍａｉｌ內向公司同事介紹自己工作崗位？

Dear colleagues,

My name is xxx. I just joined the Purchasing Department of this company. Please feel free to contact me if you have any questions or comments about purchasing and invoicing. I look forward to working with all of you.

Sincerely,
xxx

Hi, my name is xxx, I have just joined this company. Hope we can get along well together. I am from a purchasing department, so if there is any problem about purchasing list, do not hesitate and send me an email, thank you!