What are your payment terms?

We require a 30% down payment by T/T before production starts, with the 70% balance due upon completion.

Are my drawings or samples kept secure?

Yes, we can sign an NDA for confidentiality, and your drawings and samples will be safely stored and kept private.

What materials do you process?

We process carbon steel, stainless steel, aluminum, brass, copper, bronze, steel alloy, Nylon, and plastic.

Heavy-Duty Steel Welding Frames for Custom Fabrication Projects

Name: Heavy-Duty Steel Welding Frames for Custom Fabrication Projects
Brand: Dongguan Changwei Machinery Co., Ltd.
SKU: 2225572265

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

Model NO.

CW-0001-00011

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

OEM & ODM Customization: Full customization from samples or designs with flexible minor adjustments.

Multi-Material Support: Processes Carbon Steel, Stainless Steel, Alloy Steel, Aluminum, Brass, and more.

Comprehensive Surface Treatment: Options include powder coating, zinc plating, chrome plating, polishing, and anodizing.

ISO9001:2015 Certified: Manufacturing process certified for quality assurance and reliability.

Fast Quote Response: Quotes provided within 24 hours upon submission of detailed drawings.

Secure Confidentiality: NDAs available to protect customer drawings and samples from unauthorized use.

Flexible MOQ: Minimum Order Quantity starts at just 1 piece, accepting prototype orders.

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: ≤0.08h

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.