1. Name : dai yuqin
position and organization: associate professor, hunan university of technology and business
contact details : +8618684980611, @qq.Com
2 . Name: jiang hanfu
position and organization: lecturer, hunan university of technology and business
contact detail: +8615874199585, jianghanfu79@163.Com
3 . Name: ephrem azezew
position and organization: finance manager, three d juice manufacturing plc
contact detail , azezewef@gmail.Com
4. Name : kalkidan teferi
position and organization: optometrist, nisir eye clinic
contact detail , kalkidantef16@gmail.Com