Walnut Naturally growing in Shandong special base No chemicals High ... in special walnuts growing base ,which is rich earth for walnut growing .What is the nitrition value of WALNUTS ?For ... and healthFor the old : to avoid heart and vessels sicknessBeside , walnut is very helpful for brain workers ,as they need much ... 22%Rich calcium , zinc ,phosphorus ,iron ,magnesium etc . Natural Chinese Walnut