The relatively accurate interpretations will be available :
备品库 WAREHOUSE
副经理室 VICE MANAGER OFFICE
会议室 CONFERENCE ROOM
技术组 DEPARTMENT OF TECHNIQUE
经理室 MANAGER OFFICE
实验室 LABORATORY
数据组 DEPARTMENT OF DATA MANAGEMENT
行政组 DEPARTMENT OF ADMINISTRATION
营销组 1 DEPARTMENT OF MARKETING 2 MARKETING DEPARTMENT
转换组 DEPARTMENT OF DATA TRANSFER
Actually,the block letters should be ultilised for formal description,especially the names of official departments.