** Shares of China Resources Building Materials Technology Holdings 1313.HK slip 3.8% to HK$1.5, on course for the biggest one-day pct fall since March 23
** Stock touches the lowest level since April 2, on track to snap two rising sessions
** Chinese cement maker expects to post 170-200 mln yuan ($24.94-$29.34 mln) loss for the three months ended in March, compared with 107 mln yuan profit in the same period a year ago
** Lower selling prices of the company's cement products and concrete during the period have resulted in decreases in consolidated gross profit and consolidated gross margin - Co
** YTD, stock down 1.9%
($1 = 6.8168 Chinese yuan renminbi)
(Reporting by Donny Kwok)
((donny.kwok@thomsonreuters.com))