hello friends this is yolanda, sorry i am not in Qingdao right now. (I don't know how to delete the groud floor's message and have to explain here. )
Now i am in Zhengzhou city, working for a factory as a translator. The main equipments for mining, such as crushers, ball mill, rod mill, rotary kiln..... I am getting familiar with mechanical knowledge.
So if you need any help, contact with email@example.com