Chapter 534： Beijiao Ceramics Factory

Next, let's see if Liu Qingshan's group of more than 300 people can find this lame middle-aged man as Chen Yan and Wang Fenglei expected.

There are nearly 4,000 cameras, and each camera has an hour and a half of video data, and every frame cannot be missed, so everyone must not fast-forward and read the monitoring data carefully.

Moreover, if there is still no clue in these more than 3,000 videos, you can only play

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