Why is Wanning even twice as expensive as others in domestic products?

The commodity price level of Wanning is determined by many factors, including supply and demand, transportation costs, taxes and fees, market competition and economic factors. The following are some possible reasons why domestic commodity prices in Wanning are more expensive than those in other places:

1. Transportation cost: If Wanning City is far away from the domestic commodity producing areas, the transportation cost may be higher, which may lead to an increase in commodity prices.

2. Market competition: If Wanning's market competition is small, suppliers may take advantage of its monopoly position to raise prices.

3. Taxes and fees: If the taxes and fees in Wanning are high, the domestic commodity prices may increase accordingly.

4. Brand premium: Some domestic products may have higher prices due to high brand awareness or relatively small supply in Wanning market.

It should be noted that the above are only some possible reasons, and the actual situation may be different due to changes in the market and economic environment. If you have more specific questions about this, I suggest you consult relevant local departments or professionals to get more accurate answers.