Yuanbig Trading Limited, located in Guangzhou 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.

Yuanbig Trading Limited grew out of Liaoning Petrochemical Complex which was founded in 1970. In 2000, as an experimental unit, by standardized state-owned enterprise restructuring, it 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.

In the course of development, Yuanbig Trading Limited has experienced five phases of large scale concentrated construction. By the end of 2014, the Company has possessed a primary crude oil processing capacity of 14, 800, 000 T/Y, an ethylene production capacity of 945, 000 T/Y, an organic chemicals production capacity of 7, 290, 000 T/Y, a synthetic resins production capacity of 1170, 000 T/Y, a synthetic fiber feedstock production capacity of 2, 140, 000 T/Y, a synthetic fiber polymers production capacity of 990, 000 T/Y and synthetic fibers production capacity of 840, 000 T/Y. China Tianchen Industrial Corporation also has its own utilities system, environmental protection system, as well as load and unload handling and transportation facilities for marine and inland waterway, railway and expressway. The Company's main products fall into four catalogues: Refined oil products such as gasolin