Chin Eei Hui (; Hakka Pha̍k-fa-sṳ: Chhìn Ngì-fui; born 18 June 1982) is a former badminton player from Malaysia who plays in both women's and mixed doubles. She worked as a coach for Malaysia's national women's doubles players of which the contract ended in 2020. Starting from 2021 until now, she partners with Li-Ning and work with independent players such as Tan Kian Meng, Lai Pei Jing, Teo Ee Yi and Ong Yew Sin. Career Chin Eei Hui and her former women's doubles partner, Wong Pei Tty have ranked as high as No. 1 worldwide. Together, Chin and Wong achieved much success by winning Superseries and Superseries Finals titles. They also clinched gold and bronze medals in 2010 and 2002 Commonwealth Games. Although not a regular mixed doubles player, Chin won a gold and a silver medal with different partners in 2002 and 2010 Commonwealth Games. Chin competed in badminton at the 2004 Summer Olympics in women's doubles with partner Wong Pei Tty. They defeated Seiko Yamada and Shizuka Yamamoto of Japan in the first round but subsequently lost to Gao Ling and Huang Sui of China in the round of 16. Although not well known as a mixed doubles player, Chin created a first for Malaysia when she won the 2010 Commonwealth Games mixed doubles title, playing with Koo Kien Keat. She had also won a silver in the same event 8 years previously. Achievements World Cup Women's doubles Commonwealth Games Women's doubles Mixed doubles Asian Championships Women's doubles Southeast Asian Games Women's doubles Mixed doubles BWF Superseries The BWF Superseries, launched on 14 December 2006 and implemented in 2007, is a series of elite badminton tournaments, sanctioned by Badminton World Federation (BWF). BWF Superseries has two level such as Superseries and Superseries Premier. A season of Superseries features twelve tournaments around the world, which introduced since 2011, with successful players invited to the Superseries Finals held at the year end. Women's doubles BWF Superseries Finals tournament BWF Superseries Premier tournament BWF Superseries tournament BWF Grand Prix The BWF Grand Prix had two levels, the BWF Grand Prix and Grand Prix Gold. It was a series of badminton tournaments sanctioned by the Badminton World Federation (BWF) which was held from 2007 to 2017. The World Badminton Grand Prix sanctioned by International Badminton Federation (IBF) from 1983 to 2006. Women's doubles BWF Grand Prix Gold tournament IBF & BWF Grand