YUDO group was established as a trader in liudao in 1980, established its automation equipment division as liudao star automation company in 1992, and renamed abiman engineering in 2019. Weihai liudao machinery (English name abiman Engineering China) is a company within liudao group that manufactures and develops peripheral equipment and various automation equipment led by taking out robots with the goal of optimizing injection molding process. It was established in Weihai, China in 2007. In 2019, the company changed its English name to abiman Engineering China and has been operating business so far.