杨广寒，德图公司区域销售经理，负责德图环境类产品在华中及华东地区的业务。

Yang Guanghan, Area Sales Manager, responsible for testo climate products' business in Central & Eastern China.

youdao

杨广寒，德图公司区域销售经理，负责德图环境类产品在华中及华东地区的业务。

Yang Guanghan, Area Sales Manager, responsible for testo climate products' business in Central & Eastern China.

youdao