types of joints : 1, both ends are external joints WW type
2, both ends are internal joints NN type
3, one end is external joints , the other with bottom WDtype
4, both ends are side cut from the trough QdQd type
Metal bellows is widely used in automatic controlling and measuring instrument , vacuum technique , mechanical industry , power industry , transportation and other industry , as sensitive element , damping element , compensating component , valve component .
We are capable of customized special design for clients
We can offer the sample to the clients , then the clients would place a order to us