The reasons why Zhongyu vermicelli is more expensive than Jinsha River vermicelli may be as follows:

1. Raw materials: Zhongyu vermicelli adopts wheat core essence extracted from fresh and high-quality wheat in that year, without adding any additives, while Jinshajiang vermicelli adopts whole wheat, and the product contains additives.

2. Production technology: the production process of Zhongyu vermicelli needs to go through many complicated processes such as kneading, kneading and drying, and the cost is high.

3. Taste and quality: Zhongyu vermicelli has excellent taste and quality and is deeply loved by consumers, so the price is relatively high.

For the above reasons, Zhongyu vermicelli is more expensive than Jinshajiang vermicelli.