World trade interport international trading ltd., established in 2014, is a wholly owned subsidiary of china's commercial estate — the business management group for investment in china — based in beijing. The beijing trans-hong kong headquarters, tianjin inter-hong kong, aoshima inter-hong kong, shenzhen inter-hong kong, british inter-hong kong, australian inter-hong kong, japan and other branches have independent corporate companies. In addition, there are a number of affiliates, such as the china digital science and technology company ltd., the china research centre for electronic commerce and financial zone block chain development, the digital information management technology company ltd. Of several institutions, the hangzhou straight electronic commerce company ltd., the hong kong international tax free commodity association and the hong kong international free shopping centre. The china centre for international electronic commerce (ciecc) of the ministry of trade a...