What are the payment terms?

A 30% down payment is required before production via T/T, with the remaining 70% due upon production completion.

Are my drawings and samples kept confidential?

Absolutely, we can sign an NDA if needed. Your drawings and samples will be securely stored and kept confidential.

Custom Steel Tube Frame Welding and Fabrication Services

Name: Custom Steel Tube Frame Welding and Fabrication Services
Brand: Dongguan Changwei Machinery Co., Ltd.
SKU: 2063552332

Guangdong, ChinaDongguan Changwei Machinery Co., Ltd.

US$1.00-1,000.00

1 Piece

Sample price:US$100.00/piece.Request sample

Product profile

Customization

Available

Standard

GB, ASTM, DIN, JIS

Tolerance

±0.01~1.0mm

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

Key features

Comprehensive Material Options: Processes Carbon Steel, Stainless Steel, Alloy Steel, Aluminum, Brass, Copper, and more.

Advanced Laser Cutting: Utilizes 20000W and 12000W high-power laser cutting machines for superior efficiency.

Flexible Customization: Supports OEM/ODM, full customization from samples or designs, and minor adjustments.

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

Diverse Surface Treatments: Offers powder coating, zinc plating, chrome plating, polishing, and sandblasting.

Fast Sample Production: Initial samples produced within 10-15 days; mass production typically takes 30 days.

Secure NDA Protection: Signs NDAs to ensure drawings and samples are securely stored and kept confidential.

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 provide a quote?

We provide quotes within 24 hours given detailed drawings and specifications.

Q:What information is required for quoting?

Please provide 2D/3D drawings (PDF, DWG, DXF, IGS, STP, SLDPRT, etc.) along with details on material, finish, and quantity.

Q:What is the Minimum Order Quantity (MOQ)?

It largely depends on your specific parts or projects, but we are open to producing prototypes for small-scale test runs.

Q:What is the normal production lead time?

For initial samples, expect 10-15 days. Mass production typically takes 30 days. If a mold is needed, add an additional 20-40 days.

Q:What is the after-sales service policy?

For any quality concerns, contact us immediately. We take full responsibility for any quality issues and will manage them at our expense. We also document these issues to prevent future occurrences.