Powered by Made-in-China.com

Custom Steel Structure Welding Services for Precision Metalwork
US$1.00-1,000.00
1 Piece
Sample price:US$100.00/piece.Request sample
Product profile
Customization
AvailableStandard
GB, ASTM, DIN, JISTolerance
±0.01~1.0mmSurface Treatment
Powder Coating Zinc Plating Chrome-Plating PolisMachining Method
Laser Cutting Bending Welding Grinding etcMaterial
Carbon Steel Alloy Steel Stainless SteelApplication
Steel Workshop, Steel Structure Platform, Steel FaAfter-Sales Service
1 YearCarbon Structural Steel
Q235Transport Package
Standard Package/Pallet or Container/as Per CustomSpecification
CustomizedTrademark
Custom logoOrigin
ChinaProduction Capacity
5000tons/YearKey features
OEM/ODM Customization: Full customization from samples or designs, including minor and flexible adjustments.
Wide Material Selection: Processes carbon steel, stainless steel (304/316), alloy steel, and aluminum alloys.
Multiple Surface Treatments: Offers powder coating, zinc plating, chrome plating, polishing, and hot-dip galvanizing.
ISO9001:2015 Certified: Strict quality control with 100% inspection and professional QA/QC personnel.
Fast Lead Time: Average lead time within 15 workdays for both peak and off-season periods.
Low MOQ Accepted: Minimum Order Quantity is just 1 Pc, supporting small orders and prototypes.
Advanced Equipment: Equipped with 20000W laser cutters, CNC centers, and automatic welding machines.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 12 Years CertifiedNearest Port: Shenzhen Port, Guangzhou PortAverage Response Time: ≤0.04h
AI-Powered supplier vetting
SummaryDongguan Changwei Machinery Co., Ltd is identified as a factory and limited company in Dongguan, operating in manufacturing and offering welding frames, structural components, racks, and equipment casings. It reports ISO 9001:2015 quality-system certification, documented inspection, corrective-action, complaint-handling, and quality-assurance procedures. The supplier states that it provides OEM and ODM services, has an available SDK, introduced new products during the past year, and supports multiple forms of customization. Its production resources include laser cutting, milling, hydraulic, sheet-metal drawing, and hacksaw equipment, with inventory capability and contracts with associated subcontractors. Overseas support is limited: it has no overseas warehouse, showroom, agents, branches, or offline trade-show participation, and exports account for 1%–10% of sales. Reported customer groups include BYD and Sany Heavy Industry.
Supplier typeThe supplier is explicitly identified as a factory and a limited company located in Dongguan, with manufacturing listed as the industry. Its offered products include welding frames, structural components, racks, and equipment casings, and it reports 91 employees.
CertificationsThe supplier states that it organizes production under ISO 9001:2015 quality-system management standards and reports an ISO 9001:2015 certificate. These slices provide explicit evidence of certification holding.
After-Sales capabilityThe supplier has documented procedures and records for handling customer complaints and corrective and preventive actions, indicating an established service-response process. However, it has no overseas warehouse, showroom, agents, or branches, which limits its overseas service infrastructure.
R&D capabilityThe supplier reports that it launched new products during the past year, provides ODM services, and has an available SDK. These statements directly support product-development and technical collaboration capability.
Production capacityThe supplier is a factory with 91 employees and lists hacksaw, high-power laser cutting, gantry milling, hydraulic, and automatic sheet-metal drawing equipment. It also reports inventory capability and valid manufacturing contracts with associated subcontractors, supporting production execution, although no output or capacity volume is stated.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM service availability, indicating broad stated support for customer-specific product development.
Client casesThe company description identifies BYD and Sany Heavy Industry as stable customer groups. These named customer references provide explicit evidence of customer cases, though the slices do not specify project scope, duration, or performance details.
Product Q&A
Q:Can you manufacture according to our drawings?
A:
Yes, we specialize in custom fabrication based on your drawings and technical specifications.
Q:What drawing formats do you accept?
A:
We accept common CAD and 3D formats such as STEP, IGES, DWG, DXF, and PDF.
Q:What materials can you work with?
A:
We work with carbon steel (e.g., Q235, 20#), stainless steel (304/316), aluminum alloys, and more.
Q:What surface treatment options are available?
A:
Available options include powder coating, painting, electroplating, hot-dip galvanizing, sandblasting, and passivation.
Q:What is the minimum order quantity?
A:
The minimum order quantity is 1 Pc, and small orders are accepted.
Send Inquiry
*To:
Dongguan Changwei Machinery Co., Ltd.
Dongguan Changwei Machinery Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Custom Steel Frame Welding Services for OEM Metal Fabrication
US$0.10-999.00
1 Piece(MOQ)
Custom Steel Structures and Welding Services for Industrial Needs
US$1.00
5 pieces(MOQ)
Precision Machining Services for Durable Stainless Steel Structures
US$1.00-1,000.00
1 Piece(MOQ)
Precision Stainless Steel Sheet Metal Laser Cutting Services for Custom Fabrication
US$40.00-50.00
1 Piece(MOQ)
Precision Welding Services for Robust Metal Structure Parts
US$50.00-1,000.00
1 Piece(MOQ)
Custom Fabrication and Welding Services for Steel Parts
US$1.00-1,000.00
1 Piece(MOQ)
Custom Stainless Steel Sheet Metal Fabrication Services for Precision Parts
US$1.00-30.00
1 Piece(MOQ)
Precision Reusable Custom Stainless Steel Laser Cutting Service for Acrylic Signs
US$0.20-19.99
50 Pieces(MOQ)
Custom Steel Sheet Metal Welding Fabrication Service for Electrical and Automation Panels
US$3.00-5.00
100 Pieces(MOQ)
Precision Metal Sheet Welding Services for Custom Projects
US$0.60-10.00
1 Piece(MOQ)
Custom Precision Stamping Parts and Welding Services for Manufacturing
US$5.00
1 Piece(MOQ)
Custom Steel Welding Services for Precision Sheet Metal Parts
US$2.00-3.00
10 Pieces(MOQ)
Custom Aluminum and Steel Laser Cutting Services for Precision Parts
US$0.50-100.00
100 Pieces(MOQ)
Custom Stainless Steel Laser Cutting Services for Precision Fabrication
US$40.00-50.00
1 Piece(MOQ)
Precision Custom Metal Fabrication Services for Stainless Steel and Aluminum
US$0.65-3.36
50 Pieces(MOQ)
Precision Durable OEM/ODM Custom Laser Cutting Services for Stainless Steel Sheets
US$0.20-19.99
50 Pieces(MOQ)
Custom Steel Plate Fabrication Services for Precision Engineering
US$0.05-0.08
1 Piece(MOQ)



















