Hong Kong and China have different accounting standards. Hong Kong is according to the Hong Kong accounting standards, HKAS 31 "Interests in Joint Ventures" are similar as IAS 31. And there were no significant differences between both.
The rights and interests of the joint venture Hong Kong accounting standards of accounting the interests of the various forms of joint venture entity: common control, jointly controlled assets, jointly controlled entities. A common standard allowed for control of an entity or use the equity method or proportional consolidation method.