Bertoli also rates Tingyi Holding Corp (a maker of instant noodles and beverages in China), Astro Malaysia Holdings (a pay-TV provider), the Hong Kong-listed Beijing Capital International Airport and Sinopec Kantons Holdings (an oil terminal and pipeline provider in China).
In the context of the input sentence, determine the relationship between 'Sinopec' and 'Beijing'.
Options: founded by, distributed by, operator, location of formation