DONGGUAN TONJA Industrial CO.LTD is a professional enterprise engaged in sheet metal processing, with various types of welding equipment, able to provide customers with high-quality sheet metal welding services. Our sheet metal collision welding process adopts resistance heating and pressure, which can weld materials such as copper, aluminum, and steel. The welding speed is fast, the heat affected zone is small, the deformation is small, and it is energy-saving and material saving. Our sheet metal welding parts are widely used in fields such as electronics, communication, machinery, automotive, medical, etc., and have received unanimous praise from customers.
TONJA has 2 welding production lines, including 1 manual welding production line and 1 robotic welding production line (including 6 argon arc welding, 2 butt welding, and 1 laser welding robot).

How to ensure the quality and safety of your products?

Quality Management: ISO Certification, Inspiring of the material, controlling the process, training the employees, controlling the process, final check, trying to improve the whole process.
Safety Standards: The process involves; Regulatory Compliance, Safety Training of Employees, Production Safety and Product Safety.
Sheet Metal Bending Fabrication Services focuses on the quality of the end product and the safety of the end product and people.