SHANGHAI Aug 21 Safety hazards have been found at almost 70 percent of firms handling dangerous chemicals inspected in Beijing since two massive blasts killed 114 people last week, including a branch of Asia's largest refiner Sinopec Corp, state media reported.
Take context from the input text and decide on the accurate relationship between 'Sinopec' and 'Beijing' from the options provided.
Options: headquarters location, creator, original broadcaster, business division