Profile: Wuxi Yuyi machinery Co., Ltd. offers welding and cutting machinery. Our products are used in the steel structural building, ship building, boiler, chemical, mechanical, metallurgy and electrical industries. Our welding line for box columns, also called the box column production line, includes baffle assembly machines, U beam assembly machines, box beam assembly machines, box column welding machines, electro-slag welding machines, milling machines and CNC drilling machines. Our tank welding line includes turning roll and welding manipulator, and the same line can make steel pipes or tubes too.