[CHINA YUCHAI INTERNATIONAL TO ANNOUNCE Singapore, Singapore July28, 2010 http://www.cyilimited.com The webcastn be accessed at the investor relations section of thempanys website located atout China Yuchai International http://www.cyilimited.com China Yuchai International Limited, through its subsidiary, Guangxi Yuchai Machinerympany Limited (GYMCL), engages in the manufacture,sembly, andle of a wide array of light-duty, medium-sized and heavy-duty diesel]