600A Tri-phase 400V Pipeline Welding Machine with Multi-process Welding and Dual Welding Generator

Founded in 2013, Chongqing Lianwei Technology Co., Ltd. is a professional manufacturer and exporter specializing in welding machines, generator sets, and oil and gas pipeline welding equipment. Our products are primarily used in oil and gas pipeline welding engineering and other power product design, development, production, and sales. Located in Chongqing, a city with convenient transportation, all our products meet international quality standards and are widely praised in numerous markets worldwide.

The company covers an area of ​​50,000 square meters, has over 300 employees, five assembly lines, an annual output exceeding 500,000 units, and annual export value reaching US$50 million.

We possess complete production facilities and an excellent quality control system throughout all stages of production, ensuring complete customer satisfaction. Furthermore, we have obtained numerous certifications including ISO 9001:2008, CE, GS, EC, EPA, CARB, SONCAP, and SASO. With high-quality products and excellent customer service, our sales network covers more than 50 countries and regions worldwide, including the Americas, Russia, the Russian Far East, South Asia, Oceania, the Middle East, Africa, and Europe.

If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We look forward to establishing successful business relationships with new clients around the world in the near future.