This reflects the increase in wage workers. And the increase in the price of spare parts was
due to construction of solar power plants is a very complicated task and look similar to each project. Thus, the market price of any of the contractors, it can be referenced without much deviation. The price of the device can be checked. For that reason, the agreed price of each contractor is not much different. The selected contractor To judge from experience The location of the project Terms of bids and participation in the development of the project from the beginning.
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