- 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 2026-11-11 Cold Forming Thread Rolling Machine | Precision Thread Roller for Fastener Manufacturing
- Release on 2026-11-11 High Speed Flat Die Thread Rolling Machine for Bolt Screw Fastener Production
- Release on 2026-11-11 Controlled Atmosphere Heat Treatment Furnace | Stable Carbon Potential for Mass Metal Parts
- Release on 2026-11-11 Continuous Mesh Belt Furnace for Fastener Carburizing Quenching & Tempering
- Release on 2026-11-04 1-Die-2-Blow Heading Machine: The Workhorse Behind Standard Screws
- Release on 2026-11-04 Rolled Thread vs Cut Thread: What Changes When Screws Move to Rolling
- Release on 2026-10-30 Bolted Joint Reliability: Preload, Torque Control, Loosening Mechanism and Fastener Failure Root Cause Analysis
- Release on 2026-10-30 Fastener Surface Finishes: Zinc Plating, Hot‑Dip Galvanizing, Zinc Flake and Passivation Selection Guide
- Release on 2026-10-30 Fastener Property Classes and ISO Standards: A Complete Guide to Carbon Steel and Stainless Steel Grades
- Release on 2026-10-30 Cold Heading and Thread Rolling: Core Forming Technology for High‑Volume Industrial Fasteners
- Release on 2026-10-29 Advantages of Heading Machine for Screws
- Release on 2026-10-29 Two Die Four Strike Heading Machine
- 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
Leading Chinese fastener equipment dealers!
Harbin Rainbow Technology Co., Ltd.








