1, pepper flour is pepper powder. Only powder and flour as fine, the dialect called pepper noodles just. It is pepper or chili pepper ground powder, flavor and spicy.
2, "thirteen spices," also known as the ten incense is 13 kinds of distinctive flavor of Chinese herbs, including cardamom, nutmeg, nutmeg, cinnamon, cloves, peppercorns, dai miao, cumin, wood, Angelica dahurica, trinitrotoluene, good ginger, ginger, and so on. It belongs to seasoning, kitchenware, and condiment.