To Get UL Certificate Of 3H Fire Rating

- Apr 30, 2019-

Our company has got WH,FM,UL certificate of 90min fire rating,now is working to get UL 3H fire rating,this is the most important thing we must get this year.because we want to get more order abour the fire door,so we must get the most certificate to mach our product,then will get more inquiry and order from customers.