** China-based Xuanzhu Biopharmaceutical 2575.HK surges as much as 167.2% above offer price to HK$31 in Hong Kong debut
** Stock trims gains to HK$26.5; still 128.4% above offer price of HK$11.60
** Around 13 mln shares traded worth ~HK$382 mln (~$49 mln)
** Digestion, oncology, non-alcoholic steatohepatitis-focussed innovative drugs producer sold 67.33 mln shares in global offering, raising HK$781 mln for R&D, commercialisation of products
** Says HK offer subscribed 4,908.33x, international offer subscribed 10.15x
($1 = HK$7.7761)
(Reporting by Donny Kwok)
((donny.kwok@thomsonreuters.com))