Report, Policy and Certification Library

Reports

Sustainability Report 2019	Sustainability Report 2018

Sustainability Report 2017

 

Policies

• California Supply Chain Transparency
• Code of Conduct
• Environmental Policy
• Supplier Code of Conduct

 

Environmental Certifications

Westlake operations with ISO:14001 certification include the following:

• Westlake Compounds Madison, MS
• Suzhou Huasu Plastics China
• Vinnolit, Ismaning Germany