What are the payment terms?

The accepted term of payment is T/T (Telegraphic Transfer).

What is the lead time for production?

The average lead time is one month, regardless of peak or off-season periods.

Does the machine support OEM or ODM services?

Yes, we provide both OEM and ODM services to meet specific customer requirements.

Long Arm Middle Frequency Inverter DC Butt Welding Machine

Name: Long Arm Middle Frequency Inverter DC Butt Welding Machine
Brand: Guangzhou DuroWelder Limited
SKU: 827991685

Guangdong, ChinaGuangzhou DuroWelder Limited

US$1.00-12,000.00

1 Set

Product profile

Customization

Available

Control

Semi-Automatic

Cooling Way

Water Cooling

Model NO.

MF-300KVA

Style

Vertical Type

Electrode Stroke

100mm

Electric Current

300A

Transmission

Hydraulic

Conductive Way

Both-Sided

Welding Spot Number

Single

Type

Universal

Rated Capacity

50-300kVA

Primary Voltage

380V/415V/480V 50/60Hz

Rated Duty Cycle

50%

Usage

Welding Thicker Workpiece

Color

Blue

Colling Water Flow

45L/Minute

Transport Package

Angle Iron Frame and Human Made Wooden Sheet Box

Specification

Depends

Trademark

Durowelder

Origin

Guangdong, China

HS Code

8515190000

Production Capacity

30 Sets/ Month

Key features

High Efficiency Power: Power factor exceeds 98% with no electromagnetic interference.

Adjustable Frequency: VF Series allows adjustable frequency for optimal welding quality.

Auto Adaptive Control: Dynamic Resistance System auto-adjusts current for consistent quality.

Stable Power Supply: Three-phase power ensures stability and handles voltage fluctuations.

Versatile Material Welding: Ideal for high conductive materials like aluminum, copper, and silver.

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

OEM/ODM Service: Manufacturer offers both OEM and ODM services for tailored solutions.

Quality Assurance: 100% inspection including function and visual checks for finished products.

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: ≤10.01h

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.

Product Q&A

Q:What is the welding current frequency?

The standard MF series operates at 1000Hz, while the VF series allows for adjustable frequency to suit different workpiece requirements.

Q:Can the welding current be adjusted automatically?

Yes, the Dynamic Resistance Principle Auto Self Adaptive Control System automatically adjusts welding current based on workpiece thickness and surface conditions.

Q:What materials is this machine suitable for?

It is specially suitable for welding materials with high conductive rates, such as aluminum, copper, and silver, as well as thicker workpieces.

Q:What are the customization options available?

We offer full customization, minor customization, and flexible customization based on samples or designs, including rated capacity and voltage.

Q:What is the minimum order quantity?

The Minimum Order Quantity (MOQ) is 1 piece.