1. According to the national regulations, the outer package of edible oil must be marked with the commodity name, ingredient list, quality grade, net content, factory name, address, production date, shelf life and other contents, and must have a QS (food safety certification) mark. Whether genetically modified materials are used, whether they are pressed or leached, etc. shall be marked. 2. See how to identify the authenticity of edible oil through packaging when buying it. For edible oil with commodity bar code, see whether the bar code is printed in a standard way and whether there is any sign of change. Be careful not to change the packaging label at will when buying it ..
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