We have ISO9001,CE,ROHS certificate.
We control the quality by ourself.
For carbon fiber heat tubes,other companies do hollow heat tubes,but what we manufacture are lamps with core rod.Its stability is better.
With Yuanxiang Brand,we give customers 1 year carranty
Usually,our carbon fiber heat tubes could be used more than 2 years if the outside tubes are not broken by customers' feedback.