ReutersKien Keat Koo and Boon Heong Tan of Malaysia beat Thailand's Bodin Isara and Maneepong Jongjit 21-16 21-18.
Top seeds Cai Yun and Fu Haifeng saw off compatriots Chai Biao and Guo Zhendong 21-15 21-19 in a last eight fixture which ensured Chinese presence in the semi-finals.
And Jung Jae Sung and Lee Yong-Dae of South Korea defeated Ahsan Mohamad and Bona Septano of Indonesia 21-12 21-16.
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