How It’s Made: Solar Panels,diode , PCB Boards, Night Vision Devices | Chinese Factory Footage

00:00 The production process of solar photovoltaic panels
18:26 The production process of LED lamp beads
32:35 The production process of PCB circuit boards
01:02:43 The production process of film sealing machines
01:22:42 The production process of night vision devices
01:37:24 The assembly process of circuit boards
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