On November 6, Xiongan Hanqi Environmental Technology Co., Ltd., a wholly-owned subsidiary of Hanqi environment, was established.

In April 2017, the NDN process of CNPC Fushun project was finished commissioning with the total nitrogen index reached a stable standard of less than 10mg / L.

Hanqi signed the contract with Sinochem Quanzhou Petrochemical Co., Ltd. (“Sinochem Quanzhou”) of waste water treatment project for refinery plant, which including 15 million tons/year of refinery output and the 1 million tons/year of ethylene and related auxiliary public works facilities.

The vertical flow circular degreasing tank with capacity of 600m3/h supplied by Hanqi was completed acceptance by Sinopec Maoming Branch.

On September 27, Premier Li Keqiang inspected the site of Zhejiang Petrochemical project, which is with the capacity of 40 million tons refining integration project, one of the largest scale plant in the world.

On May 14, 2018, the water department of Sinopec Tianjin branch and Hanqi completed calibration of two sets of high-efficiency clarification systems. With The stable effluent quality and low chemical and energy consumption, the result was far exceeded expectation and passed the acceptances successfully.

The acrylonitrile wastewater treatment has always been a technical problem in the petrochemical field due to its high content of ammonia nitrogen, total nitrogen and COD.

After hard negotiation, Hanqi won the contract of advanced treatment unit package for Kangzhuang WWTP.