市场部副部长 翻译成英语，谢谢

你是要用在名片上的，所以头衔部分可以这样〉

市场部副部长 Vice Director - Marketing Department
电子商务招商办主任 Director - E-Commerce Merchant Office

业务联系卡 Business Card

vice minister of marketing deapartment.
director of e-business investment office
business contact card

市场部副部长 Vice Marketing Department Head
电子商务招商办主任 E-business merchandizing Officer
业务联系卡 Business Contact Card

Director Assistant of Marketing Department

Director of E-commerce Investment Affairs Office

Business Card

感觉这比较符合美国人的日常用法。。（留学中）