Recently, Hanqi Environment’s "Control System and Method for Generating Thiosulfate from Sulfide" was granted a national invention patent. This technology offers an innovative resource recovery solution for treating waste ethylene caustic liquid, enabling efficient and ……

In September 2025, China celebrated its 47th National Quality Month. Centered around the theme of "Strengthening Comprehensive Quality Management and Promoting the Construction of a Quality-Driven Nation," Hanqi Environment upheld its long-term business philosophy, insisting on digital-driven end-to-end quality control. We are committed to enhancing high-quality project delivery and providing customers with sustainable, high-value services.

Recently, leveraging its mature expertise in high-difficulty industrial wastewater treatment, Hanqi Environment successfully applied its proprietary Ozone Fluidized Bed Technology in a major steel industrial park wastewater treatment project in Yingkou, Liaoning Province.

Hanqi Environmental Technology has been awarded the wastewater treatment process equipment package contract for Huizhou Polycarbonate Project by CSPC, following its previous ethylene project win…

Hanqi Environment has successfully commissioned the RO Concentrate COD Stabilization Project at Tianji Group’s final discharge outlet. This retrofit project not only ensures compliant effluent discharge but also resolves COD degradation inefficiencies caused by salt accumulation in the client’s zero liquid discharge (ZLD) system.

The wastewater treatment plant (WWTP) construction for a major overseas project undertaken by Hanqi Environment has entered its critical phase.

To strengthen cross-departmental synergy, Hanqi Environment’s marketing, engineering, R&D, and procurement teams gathered in Huairou, Beijing on May 6-7, 2025 for a dual-purpose quarterly meeting and team-building retreat under the theme "Race Against Time, Fight to the Finish".

The "2025 Key Industrial Water Treatment Technology Innovation & Application Conference", co-hosted by the Industrial Water Treatment Committee of CIESC and China Industrial Water Information Center, was successfully held in Zhangzhou, Fujian from March 20-22.