In general, China National Accreditation Service for Comformity Assesment (CNAS) is responsible for organizing proficiency testing activities in China?
Coking residuary water contains phenol and cyanogens, which contaminate water source badly. Therefore, the coking residuary water has to be dealt with and discharged.
This kiln adopts electricity as the heat sources, with components of heating body as Swedish KANTHAL electric heating wire (brand A—F), with a long lifetime.