1, Each factory have their own manufacturing cost, the material cost of the solar panels on the same power.
2, Different factory have their own technology that also makes solar panel prices different.
3, The price now and the future is different, there is no fixed price all year round. The price you can buy now, can’t buy in the future.
4, The price also differs if the quantity is different. You’re wasting your time if you’re asking 10 container’s price but only purchase a small 1 container’s quantity.