Welding Frame, Laser Cutting, Metal Fabrication Manufacturer & Supplier

About Our Company

Technology and Equipment: Our facility is equipped with state-of-the-art machinery, including automatic laser pipe cutting machine and precision laser cutters. We pride ourselves on our technological innovations that ensure accuracy and efficiency in every project. Quality Assurance: Changwei Machinery is ISO 9001 certified, ensuring that our products meet stringent quality standards. Our rigorous inspection and testing protocols guarantee the reliability and durability of our products.

Industries Served: We cater to a diverse range of industries, including construction, automotive, aerospace, and manufacturing. Our clients include major corporations and industry leaders who trust us for their critical projects.

45+

Industry
Applications
28+

Countries
Exported
5,000,000+

Products Delivered

Precision in Every Weld, Excellence in Every Cut

Welding Frame, Laser Cutting, Metal Fabrication, Welding and Cutting, CNC Cutting

Industries We Serve

Economy is more affordable

High-precision welded machine frames, CNC bases, and structural platforms for automation equipment, robots, and industrial machinery.

Automation & Industrial Equipment
Heavy-duty welded structural supports, equipment bases, and steel frames for energy storage, power systems, and renewable energy equipment.

Energy & Power Systems
Precision welded frames, load-bearing bases, and structural components for rail systems, logistics equipment, and special vehicles.

Transportation & Mobility
Custom welded steel structures, heavy-duty equipment bases, and structural frames for construction and infrastructure projects.

Construction & Infrastructure
High-strength custom welded frames, protective structures, and equipment bases for defense, security, and special industrial applications.

Defense & Special Equipment
Heavy-duty welded frames, machine bases, and structural components for agricultural machinery and heavy-duty industrial equipment.

Agriculture & Heavy Machinery

Specialized in product

This area showcases some of our products

Welding Frame

Advanced Technology

 We provide fully integrated fabrication and machining, including laser cutting, robotic welding, CNC machining, and surface finishing, to ensure dimensional accuracy and production stability.

13000

Factory Area

100

Cooperative Partner

150

Factory Employee

Inquiry

News

Global Welded Frame & Large Welded Structure Manufacturers – 2025-2026 Industry Guide

05/12/2025

A complete guide to zinc coating technologies including hot-dip galvanizing, electro-galvanizing, cold galvanizing, thermal spray zinc, and sherardizing. Learn principles, performance comparison, and industrial applications.

How To Cut Square Tubes? A Practical Comparison And Operation Guide for Pipe Cutters

28/10/2025

This article outlines square tube cutting methods: mechanical (semi-automatic sawing for medium-batch 3-25mm tubes, manual sawing for small batches, punching for thin-walled large batches) and thermal (plasma for thick multi-metals, flame for thick carbon steel, laser for precision). It includes selection tips and safety steps.

Regarding the Coordinate Axes (Axes / Degrees of Freedom) in Welding Robots

10/11/2025

This article introduces the coordinate axes and motion systems used in industrial welding robots, focusing on how different coordinate frames define and control robot movement.