Screw press oil crops by mechanical pressure at high pressure grease partially out. Thus play a crushing purposes. Most are hot-pressed oil extraction. Consumers should pay attention to when buying cooking oil first to see if labeled "100% pure peanut oil press"; second look at the color of rapeseed oil press factory, yellow rapeseed is good press, good dark red; the smell when cooking rapeseed oil press automatic scent, smells like fried peanut press a peanut, chemical leaching oil smell relatively red, slightly pungent flavor. Rapeseed oil press prices, superior quality good price, large exports, the new dry county rapeseed oil press can be reached by Henan Machinery Manufacturing Company Limited. Henan can Machinery Manufacturing Co. (www.zhayoujia.com) is Zhengzhou, edible oil processing machinery leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Henan leadership can be reached with the staff warmly welcome all inquiries negotiations to create Henan can reach a better future.