Yiguo food brand, 4 times north latitude walnut oil, is made from high-quality Fenzhou walnuts at 37 north latitude, according to the standard of the FSSC food safety system of the Global Food Safety Initiative (GFSI) , the product is produced by physical cold pressing process, and the temperature is controlled at 48 ° , which is far lower than 60 ° in the industry, and the most complete and balanced nutrition is preserved. The fatty acid composition of walnut oil is about 1:4 -6, which can meet the multi-nutrition needs of pregnant mother, baby and health people.