Qunji Precision Industrial Co., Ltd. was established in Taichung City, Taiwan in 1986. It mainly designs and produces discharge processing machines, processing centers and plastic injection molding machines, focusing on the development of various professional discharge processing and CNC-related equipment according to the different needs of customers. Design, and custom deep hole discharge processing machines and tire mold special discharge processing machines are designed to meet customer special needs.

In 1997, Suzhou Qunlun Precision Mechanical and Electrical Industry Co., Ltd. was established at No. 92, Jinshan Road, High-tech Zone, Suzhou City, Jiangsu Province. The factory covers an area of ​​3,790 square meters, has a construction area of ​​2,000 square meters, and a registered capital of 698,000 US dollars.

In 2003, Qunji Precision Industry (Suzhou) Co., Ltd. was established in Xukou Town, Wuzhong District, Suzhou City, Jiangsu Province; the registered capital is US$5.08 million. In 2005, the new factory of Qunji Precision Industry (Suzhou) Co., Ltd. was expanded at No. 499 Shijin Road, Xukou Town, Wuzhong District, Suzhou City, Jiangsu Province. The factory was completed and completed in October 2007, covering an area of ​​24,680 square meters and a building area of ​​19,000. Square meter. 2010 The company's trademark was replaced as Lead's new trademark, focusing on the research and development and production of high-precision processing equipment and automated machinery.