This welding backing is used for aluminium welding joint one-side welding.

"Yuan Hang"JN series welding backing is widely used in shipbuilding, chemical industry, bridge, pressurecontainer , stainless steel and so on.

 Yuang Hang JN series welding backing has been subjected to the approval of CCS, ABS, GL ,LR, BV, DNV and so on.

Ceramic welding backing JN-1401