What after-sales services are provided?

We provide dedicated personnel, video guidance, support groups, and all maintenance parts.

What is the duty cycle?

The duty cycle is 60% at the rated current.

What is the lead time for orders?

Peak season lead time is one month, while off-season is within 15 workdays.

MMA-400K Manual Arc Welder Heavy Current Stick Welder

Name: MMA-400K Manual Arc Welder Heavy Current Stick Welder
Brand: Shandong Laoli Intelligent Technology Co., Ltd.
SKU: 2240024515

Shandong, ChinaShandong Laoli Intelligent Technology Co., Ltd.

US$66.00-72.00

5 Pieces

Sample price:US$68.00/piece.Request sample

Product profile

Customization

Available

Cooling Way

Air Cooling

Style

Portable

Model NO.

MMA-400K

Frequency Range

High Frequency

Electric Current

Inverter

Work Form

One-Body

Type

Manual Metal-Arc Welder

Function

MMA

Size

Big

Current

220A

Voltage

Huge Voltage

Solder

Welding Electrode

Technology

IGBT

Transport Package

Box

Specification

430mm*210*350mm

Trademark

Labor

Origin

China

Production Capacity

10000PCS/Month

Key features

IGBT Technology: Utilizes advanced IGBT technology for high efficiency and stable performance.

Wide Current Range: Output current adjustable from 20A to 400A for versatile welding needs.

Dual Voltage Support: Compatible with 220V and 380V input voltage for global use.

Portable Design: Compact one-body structure weighing only 8.95kg for easy transport.

High Efficiency: Achieves 85% efficiency with a 60% duty cycle at rated current.

Durable Construction: Class F insulation and IP21 protection class ensure reliability.

Flexible Customization: Offers full, minor, and sample-based customization options available.

Comprehensive Support: Includes video guidance, support groups, and full parts availability.

Company profile

High Repeat Buyers ChoiceIn-stock Capacity100% Finished Products Inspection

Shandong Laoli Intelligent Technology Co., Ltd.

Shandong, 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: 3 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤1.38h

AI-Powered supplier vetting

SummaryThe supplier presents itself as an integrated research, design, manufacturing, service, and marketing enterprise producing welding and related equipment. It reports ISO9001:2000 and CCC certifications, OEM service for well-known brands, flexible customization, two production lines, stated output for several welder categories, and export activity representing 51%–70% of total sales. Finished-product inspection instructions are reportedly standardized and followed. However, service-capability assessment, corrective-action, and complaint-handling procedures lack written procedures or records; there is no overseas warehouse, showroom, agent or branch, or offline trade-show participation. The supplier also reports no available SDK, no ongoing batch quantity reconciliation, and only limited disclosed export and R&D staffing. Financial records are referenced by year, but no substantive financial performance evidence is provided.

Supplier typeThe supplier describes itself as a modern enterprise combining research, design, manufacturing, service, and marketing, with two production lines and stated output for CUT, MIG welder, and MMA welder products. Its export markets include Southeast Asia, the Middle East, and domestic customers, while exports account for 51%–70% of total sales.

CertificationsThe supplier explicitly states that its products passed ISO9001:2000 quality certification and China Compulsory Certification (CCC). It also reports that its products were recognized by a national consumer quality organization, although the exact scope and validity of that recognition are not documented.

After-Sales capabilityThe company claims a perfect after-sales service system, but the service-capability assessment, corrective and preventive action, and customer-complaint handling functions have no written procedures or followed records. It also lacks overseas warehouses, showrooms, agents or branches, and reported offline trade-show participation, so operational after-sales coverage is not sufficiently substantiated.

Production capacityThe supplier reports two production lines, output figures of 4,000 CUT units, 30,000 MIG welders, and 100,000 MMA welders, plus standardized finished-product inspection instructions. Conversely, it does not conduct ongoing quantity reconciliation for each batch or mass production, and staff experience is disclosed as only two years in one record, creating a production-control limitation.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization. It also reports OEM service for well-known brands, directly supporting broad product customization and OEM capacity.