Yes, language is a problem. Better to ask for a intepreter to your business partner.
Dalian to Rizhao:
By boat bus: Take ferry from Dalian to Yantai Port. Take a taxi to the bus station of Yantai Port （烟台港汽车站show this to the driver）. Then to catch the bus to Rizhao
By air bus: Fly to Qingdao from Dalian and Qingdao Airport has direct bus to Rizhao (two hours).

Mr. Paul
is there a way where i can get a good and reliable interpreter at reasonable cost? thanks.