What is the minimum order quantity (MOQ)?

The Minimum Order Quantity is 1 PCS.

What are the payment terms?

The terms of payment are T/T (Telegraphic Transfer).

What is the lead time for production?

The average lead time is one month for both peak season and off-season.

High Quality Automatic Filter Welding Machine

Name: High Quality Automatic Filter Welding Machine
Brand: Guangzhou DuroWelder Limited
SKU: 827847845

Guangdong, ChinaGuangzhou DuroWelder Limited

US$3,400.00-9,880.00

1 Set

Product profile

Customization

Available

Control

Semi-Automatic

Cooling Way

Water Cooling

Model NO.

MF-50KVA

Style

Fixed

Electrode Stroke

Vertical

Electric Current

Inverter DC

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

Max Welding Current

18500A-80000A

Parameter/ModelTmf-50kVATmf-90kVATmf-15

75mm-100mm

Welding Arm Spacing

260mm-320mm

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

Middle Frequency Inverter DC: Welding current frequency increases to 1000HZ for higher precision and quality.

Dynamic Resistance Auto Control: Automatically adjusts welding current based on workpiece changes for consistency.

High Power Factor Efficiency: Power factor exceeds 98% with no eddy current interference for stable output.

Variable Frequency Option: VF Series allows adjustable frequency via IGBT controller for diverse needs.

Suitable for Thick Workpieces: Ideal for welding thicker materials like aluminum, copper, and silver.

Stable Three-Phase Power: Three-phase power supply prevents fluctuation and adapts to voltage lifts.

Customization Available: Supports customization from samples, designs, and full customization options.

100% Finished Product Inspection: Every unit undergoes function 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: ≤9.52h

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 of this machine?

The Middle Frequency Inverter DC Welding Machine increases the welding current frequency to 1000HZ, compared to the common 50HZ or 60HZ, ensuring higher controlling time precision and improved welding quality.

Q:Does the machine support automatic current adjustment?

Yes, the Dynamic Resistance Principle Auto Self Adaptive Control System can automatically adjust the welding current during the process based on workpiece thickness, surface condition, and other subtle changes to ensure consistency.

Q:What materials is this welding machine suitable for?

It is specially suitable for welding materials with higher conductive rates, such as aluminum, copper, and silver, as well as much thicker workpieces used in automotive and aerospace industries.

Q:What is the power supply requirement for this machine?

The machine is powered by three-phase power (380-415-480V, 50/60HZ), which prevents power supply fluctuation and adapts strongly to sudden voltage lifts compared to traditional two-phase AC welders.

Q:Can the welding frequency be adjusted?

Yes, the VF Series Variable Frequency Welding Machine features an adjustable frequency. It uses an IGBT pulse width adjustable controller and an adjustable welding transformer to fulfill this function.