What are your payment terms?

30% down payment before production by T/T; 70% balance to be paid upon production completion.

Will my drawings or samples be safe after they are sent to you?

Yes, we are willing to sign an NDA with you if required, your drawings and samples will be kept well and maintained confidential.

Heavy-Duty S235 S355 Steel Beam and Welded Column Frame

Name: Heavy-Duty S235 S355 Steel Beam and Welded Column Frame
Brand: Dongguan Changwei Machinery Co., Ltd.
SKU: 2155508315

Guangdong, ChinaDongguan Changwei Machinery Co., Ltd.

US$50.00-2,000.00

1 Piece

Sample price:US$100.00/piece.Request sample

Product profile

Customization

Available

Standard

GB, JIS Code, GB, ASTM, DIN, JIS

Tolerance

±0.01~1.0mm

Model NO.

CW240998

Surface Treatment

Powder Coating Zinc Plating Chrome-Plating Polis

Machining Method

Laser Cutting Bending Welding Grinding etc

Material

Carbon Steel Alloy Steel Stainless Steel

Carbon Structural Steel

Q235

Application

Steel Workshop, Steel Structure Platform, Steel Fa

Packaging Details

Plastic Bag + Polyfoam + Standard Carton

After-Sales Service

1 Year

Brand Name

Changewei

Type

OEM Sheet Metal Fabrication

Transport Package

Standard Package/Pallet or Container/as Per Custom

Specification

Customized

Trademark

Custom logo

Origin

China

HS Code

8468800000

Production Capacity

6000tons/Year

Key features

Customization Options: Full customization, minor customization, and flexible customization available from samples or designs.

Wide Material Range: Supports carbon steel, stainless steel, alloy steel, aluminum, brass, copper, bronze, nylon, and plastic.

Comprehensive Surface Treatment: Offers powder coating, zinc plating, chrome plating, polishing, anodizing, and sandblasting.

OEM and ODM Services: Full OEM and ODM capabilities available for various industrial applications.

ISO9001:2015 Certified: Manufacturing process certified under ISO9001:2015 standards for quality assurance.

Fast Quotation: Quotations provided within 24 hours upon receipt of detailed drawings and requirements.

Flexible MOQ: Small orders accepted; prototypes available for small quantity test runs.

Company profile

High Repeat Buyers ChoiceCooperated with Fortune 500Years of Export ExperiencePatents Awarded

Dongguan Changwei Machinery Co., Ltd.

Guangdong, China

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: ≤0.06h

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:How quickly can you quote?

Within 24 hrs if we have detailed drawings and requirements.

Q:What information do you need for quoting?

Kindly please provide the 2D/3D drawings (PDF/DWG/DXF/IGS/STP/SLDPRT/etc) and advise material, finish, quantity.

Q:What's the MoQ for parts?

Mainly subject to your parts or projects, but we are willing to make prototypes for you as a small quantity test run.

Q:What's the normal production lead time?

For initial samples, within 10-15 days. 30 days for mass production; but If mold is required, please add 20-40 days.

Q:What about the after-sales service?

Please feel free to contact us for any quality issues, we will take responsibility for any products with quality issues at our expense, meanwhile, we will track down and record the issues to avoid them in the future.