What is the heat pump quality control system in wotech?

Wotech has been operated with ISO 9000 quality control systems since its establishment. In the year 2009 it was certified with ISO 9001 quality control systems by SGS international certification company and GMC (Global Manufacturer Certificate) by TUV. Besides quality control certification Wotech has obtained CCC, CE,ETL and CB. Edeavoring quality products, by such advanced quality control and quality assurance systems. Wotech is able to ensure every component fully inspected, every process strictly controlled, every product perfect.