请教英文高人帮忙翻译一段话，用于英文简历的，非常感谢！！！

During his tenure in the formulation of the company strategy, as marketing business information group 6 months, analysis of the user characteristics and needs within the region, product competition, and marketing analysis of related work, while monitoring the change of new car sales, car second-hand car prices rise, decline reason and quarterly forecast report, put forward the improvement measures and schemes, for the Department to provide information and data to support the establishment of marketing plan