Complex sentence: Kowloon Motor Bus, the sole operator of AEC Regent Vs in Hong Kong, received a total of 210 Regent Vs with extra long wheelbase in 1960s; they had bodywork (longer than contemporary British standard of) supplied by British Aluminium Company or Metal Sections.
Split into simpler sentences: Kowloon Motor Bus, the sole operator of AEC Regent Vs in Hong Kong, received a total of 210 Regent Vs with extra long wheelbase in 1960s. They had bodywork (longer than contemporary British standard of) supplied by British Aluminium Company or Metal Sections.