Westlake Chemical Partners LP is a part of the chemical industry in the United States. Its operations are conducted through OpCo, it acquires and develops ethylene production facilities, which convert ethane into ethylene. OpCo sells ethylene and its co-products such as propylene, crude butadiene, pyrolysis gasoline, and hydrogen to Westlake and other customers located in the United States. Its assets include three ethylene production facilities in Calvert City, Kentucky, and Lake Charles, Louisiana.