How Far Behind Are Chinese CNC Machines #automobile #mechanic #car #assembly #manufacturing

Watch the full journey of an engine crankshaft, from raw blank to finished part. Every stage depends on advanced foreign machines, from Spain, Germany, the United States, Italy, and the United Kingdom. Facing, drilling, milling, heat treatment, grinding, balancing, and polishing—each step shows how much precision is required and how tough the gap is for Chinese CNC technology to catch up.

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