info@woeco.cn
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Global Industrial Wastewater Treatment Manufacturer

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Certified Quality Management for Global Markets

Quality and reliability are the foundation of our cooperation with global customers.


Tieshan Environmental strictly follows international management standards and has obtained multiple certifications, including:

  • ISO 9001 Quality Management System Certification

  • ISO 14001 Environmental Management System Certification

  • ISO 45001 Occupational Health and Safety Management System Certification

  • CE Certification for European market access


These certifications demonstrate our commitment to:

  • Stable product quality

  • Responsible manufacturing processes

  • Safe operation standards

  • International market requirements


Every product is manufactured under controlled procedures to reduce customer risks and ensure long-term value.


Join Our Journey

Whether you are an environmental enthusiast or a business partner, we are eager to connect with you.