Duolin obtained ISO 9001:2015 certificate
May. 21, 2018
Duolin obtained ISO 9001:2015 certificate
Duolin,since 1994,we have more than 20 years of experience in design and manufacture induction heating machine.
After three month of year prepare,test,Duolin team obtained the ISO 9001:2015 certificate,we all happy on it, prooduce high quality induction heating equipment,is the duty for every Duolin worker.
