Boyan is committed to producing high-quality fasteners for railway freight cars, including both specialized and general-purpose components.
Our manufacturing lines are equipped with complete sets of advanced machinery and processes — including cold heading, precision CNC machining, thread forming, heat treatment, and surface finishing. The introduction of state-of-the-art cold forging and precision machining equipment enables seamless integration of blank forming and high-precision finishing.
To ensure top-tier product quality and accuracy, we operate a dedicated quality inspection center. Every product undergoes comprehensive testing in strict compliance with operational standards, reinforcing our global reputation for excellence and reliability.
All listed products comply with applicable national and international standards (e.g., GB, ISO). Technical specifications are subject to change without prior notice. Customization options are available upon request. For official quotations, drawings, or certifications, please contact us.
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