The production cost for commercial solar panels relies on both the price of materials and the production technology. For one thing, the material cost is the most original factor. Whether the figure could decrease not or depends on the technology and the quantitative production. The higher the technology is, the less the cost. This is also the “for another thing”. So is the quantitative production. If the order is larger, the size of quantitative production is greater. Under this, the unit cost would decline.

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