As you know the specification of Hcj is the most important influence factor for the speaker's timber
For regular round size we can control
High Magnet stability and Flux consistency
The ranger of the finished product' Flux can be controlled ±4%(±30mWb)
The range of the Hcj can be controlled more narrower Such as 35H Series :17-18KOe
The coating is another fact for considering
We have our own Green Coating Plant Which is certificated by ISO140001 that can supply you coating as
Zinc, Nickel, Epoxy, passivation any other surface treatment you need
The Precise Test device can ensure high quality.we have PCT test device,Oxygen Analysis, Thermal Shock test device, Salt Spray Test device