Custom Heavy Duty Steel Fabrication Frames for Welding
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Product Highlights
- OEM/ODM Customization: Supports full customization from samples, designs, or minor adjustments.
- ISO9001:2015 Certified: Manufacturing strictly follows ISO9001:2015 quality system standards.
- Wide Material Selection: Works with Carbon Steel, Stainless Steel, Alloy Steel, and Aluminum Alloy.
- Multiple Surface Treatments: Offers powder coating, zinc plating, chrome-plating, polishing, and more.
- 100% Quality Inspection: All finished products undergo visual and functional inspection before shipping.
- Flexible MOQ: Small orders are accepted with a minimum quantity of just 1 piece.
- Fast Lead Time: Average lead time is within 15 workdays for both peak and off-season.
Product Attributes
- Customization
- Available
- Standard
- GB, China GB Code, GB, ASTM, DIN, JIS
- Tolerance
- ±0.01~1.0mm
- Model NO.
- CW-0001-00023
- Surface Treatment
- Powder Coating Zinc Plating Chrome-Plating Polis
- Machining Method
- Laser Cutting Bending Welding Grinding etc
- Material
- Carbon Steel Alloy Steel Stainless Steel
- Application
- Steel Workshop, Steel Structure Platform, Steel Fa
- After-Sales Service
- 1 Year
- Carbon Structural Steel
- Q235
- Transport Package
- Standard Package/Pallet or Container/as Per Custom
- Specification
- Customized
- Trademark
- Custom logo
- Origin
- China
- Production Capacity
- 5000tons/Year
- Package Size
- 160.00cm * 90.00cm * 200.00cm
- Package Gross Weight
- 400.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Custom Heavy Duty Steel Fabrication Frames for Welding
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Product Description


Description | OEM Steel metal fabrication products mild steel fabrication |
Material | Carbon Steel, Stainless Steel, Alloy Steel, Aluminum Alloy. |
Drawing format | 3D/CAD/DWG/STEP/PDF |
Metal Processing | Laser cutting & cutting,laser welding & welding,milling , drilling, stamping, turning-lathe,CNC center and so on. |
Certification | ISO9001:2015 |
Machining precision | ±0.01~1.0mm |
Surface treatment | Powder coating,Zinc plating, chrome-plating, polishing, spraying, dust collection,painting and so on |
Production application | Metal parts, Mechanical parts, Marine Hardware, Electric power fitting, Construction parts, Pipe Fitting, Hardware, Auto parts, Valve parts, Industrial parts, Agricultural machinery, Hinges, etc |
Mode of transport: | Express /Air Freight Priority/Sea Freight/As Customer Requirements |
Service | To chart to sample production; OEM / ODM |
Packing details | Standard package/Pallet or Container/As per customized specifications |
MOQ | Small order is accepted |


Founded in March 2012, the registered capital of 10million. The company factory is located in Wanjiang District,Dongguan City, Shangjia Industrial Park, the company covers an area of 13,000 square meters, more than 100 people. The company has domestic 20000W large laser cutting machine, automatic laser pipe cutting machine, gantry machining center, grinding machine, milling machine and CO2 welding machine and other equipment; The company specializes in all kinds of mechanical equipment frame design assembly and welding, large-scale mechanical production processing, precision processing, steel structure process-






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.
If you have another question, pls feel free to contact us.
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASI242696". Items marked "" are certified.
Company Profile
Dongguan Changwei Machinery Co., Ltd is a professional engaged in machining manufacturing, frame welding production, surface spraying treatment as one of the non-standard processing enterprises.
Founded in March 2012, the registered capital of 10 million. The company factory is located in Wanjiang District, Dongguan City, Shangjia Industrial Park, the company covers an area of 13, 000 square meters, more than 100 people. The company has domestic 20000W large laser cutting machine, automatic laser pipe cutting machine, gantry machining center, grinding machine, milling machine and CO2 welding machine and other equipment; The company specializes in all kinds of mechanical equipment frame design assembly and welding, large-scale mechanical production processing, precision processing, steel structure processing, surface treatment and assembly. There are independent laser cutting workshop, welding workshop and machining workshop, while there are full-time quality inspection personnel equipped with precision testing equipment, strict control of product quality, to meet the objective product quality requirements to provide a reliable guarantee. Involved in the processing of new energy equipment, rail transit equipment, large machinery port equipment and other parts processing and production. Over the years, the company in strict accordance with ISO 9001: 2015 quality system management standards to organize production and operation, in the market won a wide reputation, well received by customers, has formed: BYD, Sany Heavy Industry and other stable customer groups.
The company staff will be "customer first, service to still" business philosophy, adhere to the "quality first" principle to provide our customers with quality products and services.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- No. 286, Industrial Zone, Fenxi Road, Wanjiang District, Dongguan, Guangdong, China
-
Plant Area
- 9800 square meters
-
Number of Employees
- 91
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shenzhen Port, Guangzhou Port
-
Minimum Order Quantity
- 1 Pc
-
Supply Chain Partners
- 150
Our Production Capability & Technical Expertise
-
Main Products
- Welding frame, structural components, racks, equipment casings
-
Production Lines
- 5
-
Production Machines
- Laser Cutting Machine, CNC Machining Center, Rocker Arm Drilling Machine, Precision CNC Grinding Machine, Precision Milling Machine, Hacksaw Machine, High Power Laser Cutting Machine, Gantry Milling Machine, Hydraulic Machine, Automatic Sheet Metal Drawing Machine, Edge Milling Machine, CNC Semi-automatic Surface Coating Line, Semi-automatic Sandblasting Room
-
QA/QC inspectors
- 5 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 4 people
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2012-03-09
-
Export Year
- 12 Years
-
Main Markets
- Domestic
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 2
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- Yes
FAQ
- Can you manufacture according to our drawings?
- Yes, we specialize in custom fabrication based on your drawings and technical specifications.
- What drawing formats do you accept?
- We accept common CAD and 3D formats such as STEP, IGES, DWG, DXF, and PDF.
- What materials can you work with?
- We work with carbon steel (e.g., Q235, 20#), stainless steel (304/316), aluminum alloys, and more.
- What surface treatment options are available?
- Available options include powder coating, painting, electroplating, hot-dip galvanizing, sandblasting, and passivation.
- What is the minimum order quantity?
- Small orders are accepted with a minimum order quantity of 1 piece.
- What is the average lead time for production?
- The average lead time is within 15 workdays, regardless of peak or off-season.
- Do you provide after-sales service?
- Yes, we provide 1 year of after-sales service for our products.
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