What is the input voltage requirement?

The rated input voltage is 380V-420V at 50/60HZ.

Does the machine require air pressure?

No, the DN3 series does not require air pressure to operate.

What types of materials can be welded?

It is suitable for low carbon steel, steel, galvanized steel, stainless steel, and other metals.

DN3 Portable and Manual Spot Welding Machine

Name: DN3 Portable and Manual Spot Welding Machine
Brand: Guangzhou DuroWelder Limited
SKU: 791553305

Guangdong, ChinaGuangzhou DuroWelder Limited

US$670.00-1,180.00

1 Piece

Product profile

Customization

Available

Control

Manual

Cooling Way

Water Cooling

Model NO.

DN3

Style

Portable

Electrode Stroke

Vertical

Electric Current

Line Frequency

Transmission

Pedal

Conductive Way

One-Sided

Welding Spot Number

Single

Type

Spot Welders

Current

Alternating Current

Model

DN3 Series

Application

Sheet Metal, Sheet Box, Iron Furniture.

Transport Package

Plywood Box

Specification

Welding Cable Length 2M

Trademark

DuroWelder

Origin

China

HS Code

8515800090

Production Capacity

100 Sets / Month

Key features

Portable Design with Rollers: Equipped with four rollers for convenient movement and no air pressure required.

Precise Control System: Uses diode thyristor switch for rapid, accurate circuit switching and consistent welding.

Wide Material Compatibility: Suitable for low carbon steel, stainless steel, galvanized steel, and sheet metal.

Customization Options: Offers full, minor, and flexible customization from samples or designs.

Multiple Power Models: Available in 16KVA to 50KVA models to match different welding thickness needs.

OEM and ODM Services: Manufacturer provides both OEM and ODM services for tailored solutions.

100% Quality Inspection: All finished products undergo functional and visual inspection before shipment.

Company profile

Guangzhou DuroWelder Limited

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: 16 years CertifiedNearest Port: Shenzhen Port, Guangzhou PortAverage Response Time: ≤9.87h

AI-Powered supplier vetting

SummaryThe supplier is a Guangzhou-based manufacturing factory organized as a limited company, with offerings spanning resistance welding, wire and pipe processing, bandsaw blade processing, induction heating, and automotive repair tools. It demonstrates substantial customization, ODM availability, recent product development, six R&D engineers, two quality-control test-equipment units, and documented R&D design and verification records. It also reports OEM service for well-known brands and SDK availability. Service procedures and complaint-handling records exist, but corrective and preventive action procedures are not documented, and the approved-supplier list lacks approval signatures or dates. No overseas warehouse, showroom, agent, branch, or offline trade-show participation is reported. Financial and sustainability evidence is insufficient for a definitive assessment.

Supplier typeThe supplier is identified as a manufacturing factory in Guangzhou’s Zengcheng District, organized as a combined company and limited company. Its stated business and product scopes cover industrial equipment, processing equipment, automotive repair tools, and certain plastic products.

After-Sales capabilityTechnology engineers are responsible for technical support during production and after-sales service, and customer complaints are handled through a clear procedure with records. However, the supplier reports no overseas warehouse, showroom, agent, or branch, and its overseas service coverage is stated as zero, limiting evidence of localized international support.

R&D capabilityThe supplier reports new products during the past year, ODM services, six R&D engineers, available SDK capability, and documented design input, output, review, verification, and validation materials. These are explicit indicators of active and structured product-development capability.

Production capacityThe supplier operates as a manufacturing factory, has two quality-control test-equipment units, and reports an average one-month lead time in both peak and off-season periods. Its listed product scope covers multiple industrial equipment categories, although production capacity volume is not provided.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM service availability, supporting a broad customization offering.

Client casesThe supplier states that it provides OEM services for well-known brands, which is evidence of at least one type of brand customer engagement. No customer names, project details, volumes, or independently verifiable case studies are provided.