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Sour beans are made from cowpeas as the main ingredient, with pork filling, onion, ginger, garlic, Pixian hot sauce, light soy sauce, cooking wine, sugar, and edible oil as auxiliary ingredients. A home-cooked dish with a slightly spicy taste.

Shanggui Yang is a brand trademark registered by Henan Shopkeeper Food Co., Ltd. at the Trademark Office on March 20, 2006. The main services include edible starch products; instant noodles; coffee; biscuits; condiments, etc.