Shanxi Dajinhua Magnetic Material Co.,Ltd.
We have 35 members in QC Department , form the raw materials to the
last step of the magnets processing , we have more than 10 years
experience technical members to check every step while producing .
Like the coating for the magnets , in order to avoid corrosion damage , we need to do some protection
treatment in the surface of the magnets . Such as Nickel coating ,
Zinc coating , Nicuni coating , Black NI , Black Zn , Black Epoxy
etc. And for the coating , Our QC need to check the coating
solution , like the concentration etc.