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Engine Driven Arc Welder

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home
about us
company profile
factory tour
quality control
Faq
products

Engine Driven Arc Welder

Small Engine Driven Welder

Engine Driven Welding Machine

Portable Welder Generator

Cold Welding Machine

Pipeline Welding Machine

Portable Inverter Welder

Diesel Welder Generator

Petrol Welder Generator

Gasoline Welder Generator

Portable Diesel Generator

Diesel Generator Set

Inverter Silent Generator

Portable Gasoline Generator

Handheld Laser Welding Machine

Laser Welding Machine

Digital Welding Machines

Cutting machine series

Dc Inverter Welding Machine

Diesel Portable Screw Compressors
video
news
contact us
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About us

Chongqing Lianwai Technology Co., Ltd.

CHONGQING LIANWAI TECHNOLOGY CO., LTD. Co., is a professional manufacturer and exporter of Welders, Generator sets, Motor tricycles, Tillers, etc.
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Why
Choose Us
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HIGH QUALITY
Trust Seal, Credit Check, RoSH and Supplier Capability Assessment. company has strictly quality control system and professional test lab.
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DEVELOPMENT
Internal professional design team and advanced machinery workshop. We can cooperate to develop the products you need.
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MANUFACTURING
Advanced automatic machines, strictly process control system. We can manufacture all the Electrical terminals beyond your demand.
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100% SERVICE
Bulk and customized small packaging, FOB, CIF, DDU and DDP. Let us help you find the best solution for all your concerns.

Products

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More Products
120A Small Engine Driven Welder Light Weight With AC 2.8Kw Output Power
GENWELD Digital Gas Shielded Welder with Intelligent Digital Operation Interface 3Phase380V±10%50Hz and 100% Load Current Protection
Civil Proposed Diesel Welder Generator WD200A Diesel Driven Welding Machine
WDF-250 250A Petrol Welder Generator
H400 400A Dual Welding Generator(Professional Oil&Gas Pipeline Welder)
Oil / Gas Pipeline Welding Machine WD400-Ⅱ 400A Welding Machine With Dual Handles
Multi Functional Pipeline Welding Machine Power WD400 400A Diesel Welding Generator
Silent Diesel Generator Set 18Kw/23KVA YSD490D Water Cooling 4 Stroke
40Kw / 50kva Diesel Generator Set Outline Size 2340*1050*125 mm CE Approved
70Kw/88 KVA Diesel Generator Set 4 Cylinder Vertical Turbocharger Water Cooling 4 Stroke
GENWELD WI-500 500A Portable Inverter Welder For Oil / Gas Pipeline Construction
GENWELD ZL-380SD Multifunctional Portable Industrial Full Netcom Welding Machine
GENWELD WI-315 230A Portable Civil-purpose MMA Inverter Welder
Professional Small Engine Driven Welder / Easy Move Petrol Welder Generator
Civil Purpose Small Engine Driven Welder SUA200E 200A Gasoline MMA Welding Generator
GENWELD Portable Diesel Welder Generator WD200A 200A AC 6.5Kw Output Power
Portable 200A Petrol Welding Generator With AC 5kW/240V or 120V Output Power
Gasoline Digital Portable Inverter Welding Machine WDF-250 250A CE Approved
Portable Gasoline Generators WDF-250 250A
Small Size Portable Welder Generator , WDF-250 250A Portable Stick Welding Machine
SOLUTION
SOLUTION
  • Oil and Gas Pipeline Welding Solution
    12-09 2025

    Oil and Gas Pipeline Welding Solution
    (I) Solution OverviewThe oil and gas pipeline welding solution addresses the harsh working conditions of onshore and offshore oil and gas pipeline construction and maintenance. It integrates high-power, high-stability engine-driven welding machines, pipeline-specific welding equipment, and auxiliary ...
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  • Digital Laser Welding Solution
    12-09 2025

    Digital Laser Welding Solution
    (I) Solution OverviewThe digital laser welding solution leverages the advanced digital technology and laser welding equipment R&D capabilities of Chongqing Lianwai Technology Co., Ltd., integrating a full range of IGBT inverter welding technology, multi-plate motion technology, 60% load rate design, ...
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  • Introduction to Welding Technical Parameters of LWG600A Diesel Welder Generator
    07-21 2025

    Introduction to Welding Technical Parameters of LWG600A Diesel Welder Generator
    Introduction to Welding Technical Parameters of LWG600A Diesel Welder Generator Welding Current Range: The LWG600A diesel welder generator has an extremely wide current adjustment range, which can be flexibly adjusted between 30A and 500A. This feature enables it to adapt to various welding ...
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