Geong International announced that chief financial officer David Kar Ning Tsui has resigned as director for the company as of 23 June.The board of the content management software and solutions provider reported that Liying Wang, who already works in the company's financial arm, will assume Tsui's responsibilities, although will not yet join the board of directors."On behalf of the Board I would like to thank Mr. David Kar Ning Tsui for his valuable assistance and services as CFO for the past period. We are very fortunate to have Ms. Liying Wang who is very experienced with financial matters as well as with Geong's operations."As of 9:20 BST, Geong was trading 4% lower at 3p.