Specification :

1. thimble o2 sensors w/ o heaters: 1 wire and 2 wire.
2. thimble o2 sensors with heaters: 3 wire and 4 wire.
3. 4 wire planar oxygen sensor.
4. Universal oxygen sensors both in thimble type and planar type.
5.German technology
6.Equipments imported from USA and semi-heaters imported from Japan.
7. We made zircunium tube ourself and have patent right.
8. passed iso/ ts16949.
9. have full sets of testing equipments. Can test every technical points to guarantee the top quality products.