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SIHUA Welding machine part of sihua structural roll forming machine

Sihua welding machine is grandly launched – your ultimate partner to achieve precise, efficient and perfect welding.

Sihua welding machines are designed with cutting-edge technology and advanced features to ensure superior performance and reliability for every welding project. Whether you’re working with delicate materials or heavy metal, this machine will meet your needs and deliver exceptional results.

Equipped with state-of-the-art controls and a user-friendly interface, Siwa welders are unparalleled in operation. With adjustable settings, you have complete control over the welding process, resulting in precise welds to your specifications.

Our machines are engineered to provide a stable and consistent welding arc resulting in clean, strong welds.

The advanced cooling system ensures optimum performance even during prolonged use, minimizing the risk of overheating and extending the life of the machine.

Safety is of the utmost importance to us, which is why Sihua welding machines are equipped with advanced safety features. From overheating protection to voltage fluctuation regulation, we prioritize the well-being of our users and the longevity of our machines.

Not only do Siwa welders excel in performance and safety, but they are also able to withstand harsh industrial environments. Its sturdy construction and high-quality materials ensure durability and long-lasting reliability, reducing maintenance costs and downtime.

Unleash your welding potential with a Sihua welding machine – the perfect combination of precision, efficiency and durability. Join the ranks of satisfied customers increasing their welding capabilities with Sihua. Experience the difference today.


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Shanghai Sihua Precision Machinery Co., Ltd. is committed to the development and innovation of fully automatic high-speed flying shear roll forming machines. With our excellent research team, we continuously realize the development of at least 5 new machines and the application of 10 technical patents every year.

 What's more, we have the ability to build 3D production lines and every part needed.  Our expertise is further enhanced by the use of DATAM Copra software, which enables us to efficiently design and analyze roller flows. With an annual sales volume of over 120 million yuan, Sihua machines are well-known all over the world and are well received by customers around the world.

Our factory spans three buildings with a clean and beautiful environment, which cultivates the development of technical talents in our design, processing, and assembly departments. At Sihua, our quality management system follows the ISO 9001 standard. All our parts adopt German processing technology and have first-class equipment, including Japanese CNC lathes, Taiwan CNC machine tools, and Taiwan Longmen processing centers. In order to ensure that the accuracy requirements are met, we have adopted professional measuring equipment such as a German brand three-coordinate measuring instrument and a Japanese brand altimeter.

Our young and highly skilled assembly team has extensive experience in assembling a variety of machines including studs and tracks, ceiling T-bar light metal roll forming machines, C-pillars, vertical rack heavy metal roll forming machines and automatic Profile packaging system. With a production capacity of 300 machines per year, Sihua provides professional roll forming machines and systems to achieve efficient production and high-quality profiles.

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