EVERGO International Holdings, flagship of the Lau brothers' business empire, will continue to increase its shareholding in Chinese Estates Holdings. Thomas Lau Luen-hung, a director of both companies, said yesterday that Evergo had raised its stake in Chinese Estates to 67 per cent after purchases on the open market in the past few weeks. He said the price of Chinese Estates was ''still attractive'' and Evergo would buy more shares at ''appropriate'' prices. Evergo's raising its stake in Chinese Estates has fuelled speculation that the Lau brothers are again planning a merger between the two companies. Mr Lau, speaking after the two companies' annual meetings, said there was no merger plan. He said the redeveloped Entertainment Building in Central was due to receive its occupation permit next month, but Chinese Estates had not decided whether the property would be offered for sale or retained for investment purposes. Initially, the group had intended to lease out the 210,000 sq ft office and retail space. Mr Lau declined to comment on rumours that Evergo was involved in a consortium which was bidding to buy Exchange Square III from Hongkong Land. According to the group's annual report, Chinese Estates owns a 35 per cent interest in joint-venture company Asian Win Realty Holdings which is committed to six property projects in China. The projects, in Hainan, Fuzhou and Shanghai, can provide a gross floor area of more than 10 million sq ft for industrial, residential and commercial purposes.