Nickel brazing technology is the use of nickel as the soldering material between the body and the base.As you all know, nickel is easy to flow through the body and the nickel base during the process of brazing, then it will affect the cleanliness and bonding strength.And most important, nickel is not very good for health, and some patients are still sensitive.
Laser welding technology means that we don't need to use any welding equipment to weld the bracket / tubes and the base of the body together. And for strength you can find the above explanation and this It is stronger than nickel brazing. It also keeps the holder and base of the body clean and slot accuracy. And without nickel material inside, the holder assembly will be low profile.

10 pcs