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.

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.