Case Studies

Real projects, proven quality

Yandang UPVC Membrane Housings Ensure 9-Year Stable Operation at Weifang Wastewater Plant
2015 Water Treatment

Yandang UPVC Membrane Housings Ensure 9-Year Stable Operation at Weifang Wastewater Plant

In 2015, Yandang supplied UPVC membrane housings for the core membrane treatment stage at Weifang Sewage Treatment Plant. Nearly a decade of zero-failure operation proves reliability in harsh industrial environments.

Yandang Secures Flagship Contract with Wanhua Chemical for Complex Anti-Corrosion Network
2019 Chemical

Yandang Secures Flagship Contract with Wanhua Chemical for Complex Anti-Corrosion Network

In 2019, a custom FRP+UPVC hybrid system was delivered for Wanhua Chemical, one of China's top chemical producers — stable, low-maintenance performance.

Powering the Green Energy Future: Yandang Supports Key Lithium Extraction Project in Qinghai
2023 New Energy

Powering the Green Energy Future: Yandang Supports Key Lithium Extraction Project in Qinghai

In 2023, specialized UPVC corrosion-resistant piping was supplied for a major lithium extraction project in Qinghai — scale prevention in one of the world's most challenging saline environments.

Yandang Powers Zheneng Group: Reliable Circulating Water System for Yueqing Power Plant
2005 Power

Yandang Powers Zheneng Group: Reliable Circulating Water System for Yueqing Power Plant

In 2005, Yandang built the critical circulating water and drainage network for Zheneng Yueqing Power Plant — industrial-grade UPVC piping for long-term, low-maintenance operation of key energy infrastructure.

Yandang CPVC System Selected for Jinhe Biotech's Critical Fermentation Process
2021 Biotech

Yandang CPVC System Selected for Jinhe Biotech's Critical Fermentation Process

High-temperature, low-leaching CPVC piping was selected for the critical fermentation process of Jinhe Biotech — a publicly listed global fermentation leader — ensuring purity and stability.

Yandang CPVC Piping System Approved for Major Nuclear Power Plant (Conventional Island)
2024 Nuclear Power

Yandang CPVC Piping System Approved for Major Nuclear Power Plant (Conventional Island)

High-temperature, flame-retardant CPVC pipes meet stringent nuclear safety and environmental standards for critical water infrastructure.

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