This is the 4.5-generation multirole version which uses more Chinese components, including radar, engine, and missiles. China is interested in reducing its reliance on foreign technology for both cost reasons and a desire to improve its domestic research and design. It is reported that one regiment of J-11Bs are currently in service, but this seems to contradict with the latest information provided by the Chinese government: In May, 2007, the existence of J-11B was finally acknowledged by the Chinese government for the first time when the state-run Chinese TV stations first aired the report on J-11B in PLAAF service, which were subsequently publicized in various domestic Chinese media such as state-run websites and newspapers (like Xin Wen Hua Bao, New Culture Newspaper). However, the official Chinese report claims that there are only two squadrons of J-11Bs in service, instead of a regiment, which is consisted of three squadrons (as of end of 2007). According to the Chinese report, which is agreed by some western sources such as Information Group, the J-11B is superior to Su-27SK in the following areas: