Westlake Chemical Partners LP acquires, develops, and operates ethylene production facilities and related assets in the United States. It's ethylene production facilities which primarily convert ethane into ethylene. The company also sells ethylene co-products, such as propylene, crude butadiene, pyrolysis gasoline, and hydrogen directly to third parties on either a spot or contract basis. It serves as the general partner of the company. Westlake Chemical Partners LP was founded in 1991 and is headquartered in Houston, Texas.