- Release on 2022-01-17 Introduction of Continuous Mesh-belt Conveyor and Gas Controlled Heat-Treatment Furnace
- Release on 2022-01-17 Safe operation process of thread rolling machine
- Release on 2022-01-17 Analyze the work before zinc plating line
- Release on 2026-10-28 Thread Rolling — Precision Thread Forming for Reliable Fasteners
- Release on 2026-10-28 Continuous Heat Treatment — The Key to Stabilizing Fastener Mechanical Performance
- Release on 2026-10-28 Cold Heading — The Foundation of Modern Fastener Manufacturing
- Release on 2026-10-26 Bolt Plant Setup in 2026: Layout, Utilities and Equipment Checklist
- Release on 2026-10-26 How to Configure a Complete Fastener Production Line in 2026: From Wire Rod to Galvanized Bolt
- Release on 2026-10-26 Continuous Mesh Belt Furnace – Automatic Heat Treatment Line for High-Volume Fastener Production
- Release on 2026-10-26 Multi-Station Cold Heading Machine: High-Speed Cold Forging Equipment for Precision Fastener Manufacturing
- Release on 2026-10-26 Thread Rolling Machine: Cold Forming Equipment for High-Strength Precision Fastener Production
- Release on 2026-10-22 Harbin Rainbow Technology Introduces Upgraded Flat Die Thread Rolling Machine for High-Precision Fastener Thread Production
- Release on 2026-10-22 Harbin Rainbow Technology Launches High-Efficiency Multi-Station Nut Cold Heading Machine to Expand Fastener Forming Product Line
- Release on 2026-10-22 Harbin Rainbow Technology Launches Upgraded Multi-Station Bolt Cold Heading Machine for High-Efficiency Fastener Manufacturing
- Release on 2026-09-30 Working Principle and Advantages of a 1-Die 2-Blow Heading Machine for Screws
- Release on 2026-09-30 The Working Principle and Advantages of a 2-Die 4-Strike Heading Machine for Screw Manufacturing
- Release on 2026-09-30 Principle and Advantages of Punching Flat washer
- Release on 2026-09-30 Bi-metal Rivet Contact Machine | HARBIN RAINBOW TECHNOLOGY NEW DESIGN
- Release on 2026-09-29 Multi-station Nut Cold Forging Machine — Working Principle, Core Advantages and Industrial Application
- Release on 2026-09-29 Development Status, Market Trends and Future Prospects of the Global Mesh Belt Furnace Heat Treatment Industry
- Release on 2026-09-29 Principles, Core Advantages and Industrial Applications of Mesh Belt Furnace Heat Treatment Technology
- Release on 2026-09-28 Thread Rolling Machine: High-Precision Cold Forming Equipment for Fastener Thread Processing
Leading Chinese fastener equipment dealers!
Harbin Rainbow Technology Co., Ltd.








