China Tianchen Industrial Corporation, located in Qingdao City, is one of the largest refining-chemical integrated petrochemical companies in China. It is one of the subsidiaries of China Petrochemical Group. It is also currently one of the most important domestic producers of refined oil products, intermediate petrochemicals, synthetic resins and synthetic fibers. China Tianchen Industrial Corporation grew out of Qingdao Petrochemical Complex which was founded in 1970. In 2000, as an experimental unit, by standardized state-owned enterprise restructuring, China Tianchen Industrial Corporation became the first Chinese listed company with its shares listed on Shanghai Stock Exchange, the Stock Exchange of Hong Kong and New York Stock Exchange with a total share number of 9.2 billion, including 5.0 billion non-floating A shares held by Sinopec Corp., accounting for 55.56% of the total shares; 150 million non-floating legal person A shares, accounting for 6.08% of the total shares; 920 million domestic ordinary A shares, accounting for 10% of the total shares; 4.33 billion oversea H shares, accounting for 38.21% of the total shares.