Changzhou Longren Mechanical & Electrical Co., Ltd.Changzhou Longren Mechanical & Electrical Co., Ltd.

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  • Welding Torch

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  • Parts of MIG Welding Torch

    Swan Neck for MIG Welding Torch

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    Contact Tip Holder for MIG Welding Torch

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  • Parts of TIG Welding Torch

    Torch Body for TIG Welding Torch

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    Collet Body for TIG Welding Torch

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  • czlongren-02@vip.163.com

    Changzhou Longren Mechanical & Electrical Co., Ltd.Changzhou Longren Mechanical & Electrical Co., Ltd.

      • Home

      • About Us

      • Products

        • Welding Torch

        • Parts of MIG Welding Torch

        • Parts of TIG Welding Torch

        • Plasma Spare Parts

        • Plug

        • Tools

        • Welding Earth Clamp

        • Switch for Welding

      • News

        • News of fair

        • Professional Knowledge

        • The company daily

      • Contact Us

      Your location: Home  News
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      • News of fair

      • Professional Knowledge

      • The company daily

    • News Categories

      • News of fair

      • Professional Knowledge

      • The company daily

      • Comparison of different ceramic nozzle types for TIG welding
        2025-10-31

        This article provides a detailed comparison of ceramic nozzles for TIG welding, analyzing structural types (straight, convergent, divergent), materials (alumina vs. zirconia), and size selection guide...

        Read More
      • 3 Things to Know About Plasma Cutting Torch in 2025
        2025-10-24

        A plasma cutting torch lets you cut metal with a stream of hot gas. This tool is important in metalworking because it cuts fast and with accuracy. Plasma cutting is special because it makes sharp, cle...

        Read More
      • Essential Tips for Maintaining TIG Torch Consumables
        2025-10-17

        Read More
      • Top 10 MIG Welding Torch Suppliers in the USA 2025​
        2025-09-22

        This comprehensive analysis identifies key selection criteria for industrial MIG welding torches, evaluating suppliers based on technical performance, customization capabilities, and compliance with A...

        Read More
      • Why Would a Welder Choose a Water-Cooled MIG Welding Torch?
        2025-08-21

        Explore the key advantages of using a water-cooled MIG welding torch, from enhanced cooling efficiency and exceptional weld quality to reduced long-term costs and improved operator comfort. This artic...

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      • A Complete Guide to Answer All Your Questions About the TIG Torch
        2025-07-24

        Engineered for industrial excellence, this guide delivers data-driven torch selection, ISO-certified setup protocols, and cutting-edge solutions for aerospace/medical welding. Explore performance metr...

        Read More
      • What Type of Nozzle is Used in TIG Welding?
        2025-07-18

        Wondering what type of nozzle is essential for optimal TIG welding results? The definitive answer is the Ceramic Nozzle. This guide dives deep into why ceramic is the industry standard, exploring its ...

        Read More
      • How to Use TIG Welding Torch?
        2025-07-04

        Master the art of precision welding! This guide delivers a step-by-step breakdown of how to use a TIG welding torch. Learn essential techniques – from safety protocols and arc control to mastering the...

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      • What is a MIG Welding Torch?
        2025-06-27

        A MIG welding torch (mig welding torch) is the cornerstone of Metal Inert Gas (MIG/MAG) welding, widely used in automotive manufacturing, construction, and home repairs. For beginners and professional...

        Read More
      • How a MIG Welding Torch Works?
        2025-05-30

        Engineered with patented air-cooling technology, Longren MIG torches deliver stable 180-500A performance without water lines. Our modular design features tool-free consumable replacement and 3X durabl...

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      Contact Us

      We have enough product lines to cope with mass production and have a lot of advanced equipment to produce products, which we can meet the needs of different guests. Besides, the advanced equipment can produce higher quality products.

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