Core advantage
Honorary certificate
Full service for high-end customers

Industrial  wastewater technology

Laboratory testing


Checoa is a comprehensive service provider integrating r&d, engineering construction, construction operation and maintenance, leasing and operation, and consulting services for comprehensive treatment of waste water, waste gas and solid waste.The company has obtained a number of patents and software Copyrights, has been rated as a high-tech enterprise for seven consecutive years.

We do

Based in Shanghai and facing the world, we continue to solve technical problems through cooperation with research institutes. We have successfully completed hundreds of engineering projects in the fields of industrial water system, sewage treatment in industrial parks, energy utilization, soil remediation, sludge disposal, etc., and our achievements have covered many industries such as petrochemical, medical, agricultural, pharmaceutical, printing and dyeing, etc., which have been widely respected and praised by the industry and customers.

【Core advantage

The core technical backbone of the state of checoa comes from well-known multinational environmental protection companies. They have rich professional background and experience in serving customers all over the world. They have years of experience in project design, engineering implementation, installation and debugging,and consulting services.

The title of Shanghai high-tech enterprise
win the outstanding award and innovative fund in the new energy and energy conservation and environmental protection industry group of the innovation and entrepreneurship competition in Shanghai

CH-EWTS identified as Shanghai high-tech achievements transformation project

CHE-TSSB identified as Shanghai high-tech achievements transformation project

Industrial wastewater treatment facility operation service level two

obtained ISO9001:2008 system management certificate

HongKou district technology small giant enterprise

Address: Room 101,Building1,No.8 Jiannian Road,shanghai,China