Some spare parts of the vegetable oil press machine are worn parts that have to be replaced after a period of use. These spare parts such as ringing ring, screw shaft, pressing bar, oil cake outlet, gear box and gear are indispensable parts of vegetable seed oil press machine. These extra parts play an important role in the oil pressing process. If you buy the wrong parts or low quality, the oil extraction process will have various problems, let alone to give you the advantage. Therefore it is very important to choose the right spare parts for your screw oil press machine. Replacement of these worn parts is unavoidable, so when purchasing these worn parts, many people will ask: Is the oil press accessories universal? How much do they cost? Actually, the spare parts of the screw oil press machine are not currently universal. In other words, if you need to replace these worn parts, you will need to buy from the original oil press factory. Some people may ask why the parts of the