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Chapter 27 Mysterious Upgrade

Previously, due to a moment of carelessness, Yan Fei forgot that a drone upgrade required raw materials, which resulted in over one hundred thousand yuan in damages to the appliances in his home. This time, he wouldn't make the same mistake again, so he found a place early on that could provide a large amount of raw materials.

That place was a large-scale garbage landfill on the outskirts of Shanghai. Although in recent years the state had begun to advocate for waste sorting and recycling, the general public lacked awareness in this regard. Furthermore, the cost of waste recycling was very high, so some areas still resorted to the simple solution of burying the trash after minimal processing.

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