** Country Garden 2007.HK drops 7% to HK$0.465; set for biggest one-day pct decline since January 23

** Chinese property developer posts February contracted sales attributable of 2.3 bln yuan ($316.8 mln), down 38% y/y

** Misses self-imposed deadline to reach a deal on debt restructuring plan, Bloomberg News reports citing people familiar with the matter

** Stock last down 4%, trims YTD gains to 3.1%

($1 = 7.2611 Chinese yuan renminbi)

(Reporting by Donny Kwok)

((donny.kwok@thomsonreuters.com))