How to purchase cooking oil press machine?

Cooking oil press machine

Cooking oil press machine, which is also called oil expeller, oil mill machine or oil pressing machine, Cooking oil press machine can be used for various raw materials, such as soybeans, peanuts, cotton seeds, rape seeds, sesame seeds, sunflower seeds, palm seeds and so on.

How to  purchase cooking oil press machine?
When purchasing cooking oil press machine, first to see the appearance whether welding point is uniform , to check the cooking oil press machine whether lack spare parts, and then to turn the big belt pulley by hand to run several circles in order to check whether there is iron etc.. foreign material in press barrel, whether blocked there, at the same time to well note whether gears mesh normally in gear box.