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Professional Welding & Power Solutions

High-performance electric welding machines, circuit boards, starters, and uninterruptible power supplies designed for industrial excellence.

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About Yongkang Songshi Technology

Yongkang Songshi Technology Co., Ltd. is a professional manufacturer integrating design, manufacturing, and sales of industrial electronic equipment. With years of experience in the welding and power supply industry, we are committed to delivering reliable, high-efficiency solutions for global clients.

The company adheres to the principle of combining external talent introduction with internal training and selection. We continuously improve the comprehensive quality and skills of our employees and constantly optimize our management systems to ensure product excellence and customer satisfaction.

  • Integrated R&D, Manufacturing & Sales
  • ISO-Certified Quality Management
  • Global Export to Over 30 Countries
Factory Interior

Our Product Range

Discover our high-performance industrial electronics built for durability, precision, and reliability in demanding environments.

Digital Inverter Welding Machine

Digital Inverter Welding Machine

Advanced IGBT inverter technology for stable arc and energy efficiency. Suitable for MMA welding with low spatter and high duty cycle.

  • Input: 220V ±15%
  • Output: 20-200A
  • Duty Cycle: 60% @ 160A
  • Weight: 5.2kg
Welding Machine Circuit Board

Welding Machine Circuit Board

High-reliability control board with overheat protection, short-circuit detection, and PWM regulation for consistent performance.

  • Model: SC-200IB
  • Compatibility: Universal Inverter
  • Protection: OVP, OCP, OTP
  • Operating Temp: -10°C to 70°C
Heavy-Duty Starter Motor

Heavy-Duty Starter Motor

Robust 12V/24V starter for industrial engines. High-torque design with sealed bearings and corrosion-resistant housing.

  • Voltage: 12V / 24V
  • Power: 1.8kW
  • Pinion: 9T / 11T
  • Mounting: SAE1
Online UPS System

Online UPS System

Double-conversion uninterruptible power supply for critical loads. Pure sine wave output with automatic voltage regulation.

  • Capacity: 1kVA - 3kVA
  • Battery: 24V DC
  • Transfer Time: 0ms
  • Efficiency: >90%
MMA Arc Welder

MMA Arc Welder

Manual metal arc welder with anti-stick and hot start functions. Ideal for construction, maintenance, and fabrication.

  • Current Range: 30-250A
  • Open Circuit: 60V
  • Duty Cycle: 60%
  • Dimensions: 420x180x310mm
IGBT Inverter Module

IGBT Inverter Module

High-efficiency power module for welding and power conversion systems. Designed for thermal stability and long service life.

  • Voltage: 600V / 1200V
  • Current: 50A - 150A
  • Isolation: 2500V AC
  • Cooling: Baseplate
Industrial Battery Charger

Industrial Battery Charger

Smart multi-stage charger for lead-acid and lithium batteries. Features temperature compensation and full auto-shutdown.

  • Voltage: 12V / 24V / 48V
  • Current: 10A - 50A
  • Efficiency: 88%
  • Protections: Reverse, Overload
Welding Accessory Kit

Welding Accessory Kit

Complete set including earth clamp, electrode holder, chipping hammer, and wire brush. Durable and safety-certified.

  • Holder Rating: 500A
  • Cable: 3m x 25mm²
  • Standards: CE, ISO
  • Case: Heavy-duty plastic

Why Choose Chinasonscn?

Quality Assurance

Every product undergoes rigorous testing and complies with international safety and performance standards.

High Efficiency

Our inverter-based designs deliver superior energy conversion and reduced power loss for long-term savings.

Global Support

We provide technical documentation, spare parts, and responsive customer service across multiple time zones.

15+
Years Experience
30+
Countries Served
500K+
Units Shipped
98%
Customer Retention

Frequently Asked Questions

What is the warranty period for your welding machines?

Our welding machines come with a standard 2-year warranty covering manufacturing defects and component failures under normal use.

Can you provide OEM/ODM services?

Yes, we offer full OEM and ODM support including custom branding, packaging, and product modifications based on your specifications.

Do you offer technical support after purchase?

Absolutely. Our technical team provides installation guidance, troubleshooting, and maintenance advice via email and phone.

What are your main export markets?

Our products are widely distributed across Europe, North America, Southeast Asia, the Middle East, and Africa.

Get in Touch

For inquiries, quotes, or technical support, visit our official website to reach our sales team.

Contact Information

Visit Official Website to Contact

For fastest response, please use the contact form on the official site.

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