... Compared with other oil press,auto hydraulic oil press is the easiest one in operation, having the highest oil yield, and the wearing parts are ... ,barrel,heating ring,fixingcover and oil box,etc.Advantages:1. High oil yield: The normal oil yield is 2-3points higher ... is enough.4. Pure and high quality oil: ensure the oil purity to meet the health and quarantine standards.5. Lightweight, convenient ...