Westlake Chemical Partners Limited Partnership operates ethylene production facilities and related assets in the U.S. Its production facilities primarily convert ethane into ethylene. The company also sells ethylene co-products (propylene, crude butadiene, pyrolysis gasoline, and hydrogen) directly to third parties on either a spot or contract basis. Westlake Chemical Partners GP LLC serves as the general partner of the company. The company was incorporated in 2014 and is headquartered in Houston, TX.