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00:00 Highlights 00:38 Iron Forging, Rough Machining, Heat Treatment 06:24 Bearing Fine Grinding & Assembly Note: This video does not contain any paid promotion. The video contains subtitles in multiple languages, please manually select. #chinafactory #massproduction 📧Contact：jianpingleo@gmail.com 0🎥0 Copyright(C) 2025. #miracleprocess All Rights Reserved. Factory Production Collection https://www.youtube.com/watch?v=Ktjx4-CGgts&list=PLyD7c5oblVuWqE6BbNLMfN6f0BmjyEE6T