Professional Waste Technology (1999) Public Company Limited is a Thailand-based company engaged in the industrial waste management services. The Company provides services of industrial waste treatment for both hazardous and non-hazardous supplies. Its services include waste transportation, waste segregation, waste landfill and waste water management. It operates an industrial treatment center in Sakaeo province. The Company's subsidiaries include Waste Exchange Company Limited, Professional Waste Technology International Company Limited, Bergemann Mercury Tech (BMT-Asia) Company Limited and JTS Aluminum and Metal Company Limited.