Hetianguang soy sauce adopts traditional brewing technology, and the raw materials used are relatively simple, including soybeans, wheat, salt, etc., which are relatively cheap. Secondly, Hetianguang soy sauce has a large production scale, which has certain production advantages and economic benefits, and can reduce the production cost of unit products. Moreover, in the market competition with Tianguang soy sauce, we adopted a certain price strategy to attract consumers and increase market share by lowering the selling price. Finally, Hotan soy sauce may have adopted some technical or technological improvements in the production process, which further reduced the production cost.