CYD [CHINA YUCHAI INTERNATIONAL] 6-K: 99.1 Press Releaseted May13, 2010 China Yuchai International
[99.1 Press Releaseted May13, 2010 China Yuchai International Announces Unaudited First Quarter 2010 Financial Results 99.2 Unaudited Financial Statements for First Quarter 2010 CHINA YUCHAI INTERNATIONAL LIMITED S OO UAN AW / Mr. Boo Guanw President and Director China Yuchai International Announces Unaudited First Quarter 2010 Financial Results Singapore, Singapore May13, 2010]