Entity

SINOPEC Beijing Yanshan Company (Yanshan Company for short), often referred to as Beijing Yanshan Petrochemical Company (BYPC), is a major petrochemical enterprise directly under the Sinopec Group. Established in July 1970, it operates as one of China's largest petrochemical complexes, specializing in the production of synthetic resins, synthetic rubber, phenol, acetone, and other organic chemical materials.

The company boasts a crude oil processing capacity of 10 million tons per year and is a leading producer of ethylene, with an annual capacity of over 700,000 tons. BYPC operates more than 80 main production plants and over 70 auxiliary plants, producing a wide range of petrochemical products for both domestic and international markets.