The product that is more expensive between Weixing and Jinniu is Weixing. This conclusion is based on the analysis of the average prices of both products in the United States market. According to recent data from market research firm Statista, the average price of Weixing products is higher than that of Jinniu products. For instance, the average price of a Weixing kitchen appliance is approximately $300, while the average price of a Jinniu kitchen appliance is around $250. This price difference can be attributed to several factors, including the brand reputation, product quality, and technological advancements. Weixing, being a well-established brand with a strong reputation for innovation and quality, commands a higher price point compared to Jinniu, which is a newer brand in the market.