China Investment in US
Cooper Environmental Services
Cooper Environmental Services, LLC (CES) is a US EPA and ETV-recognized environmental company who has been committed to ambient air, stack and water quality online monitoring, source apportionment, and heavy metal pollution control solutions.
Sunset Laboratory Inc
Sunset Laboratory Inc. (Sunset Lab), an Oregon based high-tech company, is a pioneer in the field of organic carbon and elemental carbon (OC-EC) aerosol analysis.