LANBAOFUSE, established in 2003, began production at its factory in Zhongshan, Guangdong, the same year. In 2005, the company expanded with the operation of another factory in Changzhou, Suzhou. A sales company was set up in Shenzhen in 2010, followed by a branch, DongWoo LB Fuse, in South Korea in 2011. The company primarily produces current sensing resistors and circuit protection devices.