** Shares of China Resources Medical Holdings 1515.HK drop 9% to HK$1.01, on track for biggest one-day pct decline since April 7

** Stock hits its lowest in a month; top pct loser on Hong Kong's healthcare index .HSCIH, which is down 0.9%

** The Chinese hospital management services provider and distributor of medicines and medical devices expects its profit for the six months ended June to drop 20%-25% y/y

** Says the drop in profit is due to the decrease in operating profit of member medical institutions, which is, in turn, caused by a lower average medical insurance fee per visit

** "The company will continue to proactively improve the revenue structure, promote management refinement and control operating costs" -Co

** YTD, stock down 6.3%

(Reporting by Donny Kwok)

((donny.kwok@thomsonreuters.com))