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April 28, 2025
Video Description:
Discover how precision screw molds are made in this factory tour of Chongqing Henghui Precision Mold Co., Ltd. Watch the production process for standard and custom screw molds, from tungsten carbide material selection to CNC machining, vacuum heat treatment, and quality testing. See how the company achieves tolerances within 0.005mm and serves cold heading and hot upsetting industries worldwide. Learn about their export subsidiary in Ningbo and their range of molds for bolts, automotive fasteners, wind power, and construction. A clear, informative walkthrough for B2B buyers seeking reliable mold manufacturing insights.