How is after-sales service ensured?

We provide free technical support and can guide you through solutions via video in case of any malfunction.

What materials can this welding machine handle?

It excels at joining challenging materials including aluminum alloy, high-strength steel, and galvanized sheet metal, with superior quality compared to low-frequency machines.

Long Lifespan Medium Frequency Inverter DC Spot Welding Machine

Name: Long Lifespan Medium Frequency Inverter DC Spot Welding Machine
Brand: Shenzhen Junjie Intelligent Equipment Ltd., Co.
SKU: 2275772135

Guangdong, ChinaShenzhen Junjie Intelligent Equipment Ltd., Co.

US$4,500.00-5,500.00

1 Piece

Product profile

Customization

Available

Control

Automatic

Cooling Way

Air Cooling

Model NO.

MD-20

Style

Fixed

Electrode Stroke

100mm

Electric Current

DC Shock Wave

Transmission

Hydraulic

Conductive Way

Both-Sided

Welding Spot Number

Multiple

Type

Universal

Rated Capacity

60 (kVA)

Output Frequency

2000 (Hz)

External Power Source

91 (a)

Maximum Short Current

20000 (a)

Duty Cycle

50 (%)

Secondary Voltage

9 (V)

Electrode Pressure

6280 (N)

Cooling Water Flow

12 (L/Min)

Transport Package

Wooden Case

Specification

Standard Specifications or Customized

Trademark

JUNJIE

Origin

Shenzhen, China

Production Capacity

800 Pieces/Year

Key features

High-Efficiency Inverter Tech: 1000-8000Hz frequency with 1ms response, 50% more energy efficient than traditional machines.

Versatile Material Welding: Expertly joins aluminum alloys, high-strength steel, and galvanized sheets with minimal spatter.

Extended Electrode Lifespan: Stable current reduces splashes, prolonging electrode life and lowering consumable costs.

Compact Space Saving Design: Optimized footprint with balanced three-phase load, power factor >0.9, reducing electricity costs.

Constant Current Stability: Advanced control maintains consistent parameters, eliminating defects from voltage or thickness changes.

Customization Available: Supports minor and full customization to meet specific functional requirements of different clients.

One-Year Warranty Support: Comprehensive one-year warranty with free technical support and video-guided troubleshooting.

CE Certified Quality: Manufactured with professional processes and 100% finished product inspection for guaranteed quality.

Company profile

Cooperated with Fortune 500Management CertificationProduct CertificationHigh Repeat Buyers Choice

Shenzhen Junjie Intelligent Equipment Ltd., Co.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Full Customization, Minor Customization CertifiedExport Year: 12 Years CertifiedNearest Port: Shenzhen Yantian PortAverage Response Time: ≤0.41h

AI-Powered supplier vetting

SummaryJunjie is a machinery and automation supplier engaged in robots, automation equipment, welding equipment, and mechanical equipment, with related research, production, sales, maintenance, and servicing activities. It reports ISO9001:2015 and CE certifications, written quality-control procedures, 2 inspection staff, 10 testing instruments, and 8 R&D engineers. The supplier offers minor and full customization, has OEM experience with recognized brands, and provides an available SDK. Service management is supported by written procedures and records for supplier capability assessment, corrective and preventive actions, and customer complaints. Evidence also indicates 12 years of export experience and cooperation with Fortune 500 companies. However, no valid manufacturing-capacity contract with affiliated subcontractors, no inventory capacity, no overseas warehouse, and no overseas showroom are reported.

Supplier typeThe supplier’s stated scope covers research, production, sales, installation, maintenance, and servicing of robots, automation equipment, welding equipment, and mechanical equipment. This supports classification as an industrial equipment manufacturer and integrated equipment-service supplier.

CertificationsThe supplier reports an ISO9001:2015 management-system certificate and CE product compliance certification. These are explicit certifications relevant to quality management and product conformity.

After-Sales capabilityThe supplier has written procedures and followed records for handling customer complaints and corrective and preventive actions, while its R&D engineers provide technical support for production and after-sales service. Its stated business scope also includes maintenance and servicing of mechanical equipment and accessories.

R&D capabilityThe supplier reports 8 R&D engineers, with responsibilities covering customer-requirement confirmation, new-product design, and technical support. It also reports an available SDK, OEM capability, and a stated commitment to refining products and processes in response to market and customer needs.

Customization capabilityThe supplier explicitly offers both minor customization and full customization, and reports OEM service for recognized brands. Its R&D engineers are also responsible for designing new products based on customer requests.

Client casesThe supplier reports OEM cooperation with recognized brands and collaboration with Fortune 500 companies. These statements provide evidence of notable customer experience, although no customer names, project details, or performance outcomes are supplied.

Product Q&A

Q:What is the warranty period?

We offer a one-year warranty for the equipment and provide free technical support.

Q:What is the delivery time for standard models?

The delivery time for standard machines is within 15 to 20 days.

Q:Can the machine be customized?

Yes, we accept customization. We focus on addressing specific functional requirements to meet client needs, offering both minor and full customization options.

Q:What is the delivery time for customized machines?

For non-standard customized machines, the delivery time is within 60 to 90 days.

Q:Can I take a sample or test the welding?

Yes, we can conduct a trial welding for your product and send videos/photos of the effect and strength failure tests. Welded products can also be mailed if required.