
Westlake Chemical Corporation is an international manufacturer and supplier of petrochemicals, polymers, and building products with headquarters in Houston.
The company's range of products includes: ethylene, polyethylene, styrene, propylene, chlor-alkali and derivative products, PVC suspension and specialty resins, PVC compounds, and PVC building products including siding, pipe, fittings and specialty components, windows, fence, deck, and film.

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