in Harbin, you can go to some farmers' markets, supermarkets or food wholesale markets to find wholesale popcorn and corn. Some food wholesale markets, such as Central Street Market, Hongqi Farmers' Market and Maple Leaf Farmers' Market, may have merchants who supply popcorn and corn. You can call in advance to inquire about the inventory and price of the merchant, so as to arrange the purchase. In addition, it is also possible to find a supplier of wholesale popcorn and corn on the local merchant alliance website or online market. Please note that due to the change of market price and the uncertainty of business operation, it is recommended that you confirm relevant matters with the business before purchasing.