Certificates & Accreditations

More Than a Product: Certified HDPE Geomembrane Solutions

Choosing Haoyang Environmental means selecting a fully certified partner. Our HDPE geomembrane certificates and project credentials are designed to eliminate your risks and ensure project success.

To guarantee product excellence, we operate under internationally recognized certifications like ISO 9001, ISO 14001, and OHSAS 18001. This means our high-density polyethylene liners are produced with unmatched consistency and environmental responsibility.

To ensure operational safety, we hold a mandatory “Safety Production License.”

And most importantly, to secure your project’s compliance, we hold direct engineering qualifications, including Level 2 for Environmental Protection. As a result, we don’t just sell you a geomembrane; we provide a certified, turnkey solution that is legally and technically sound from manufacture to installation.