1、 the surface of the metal material turntable steel ball functional coating: steel ball,
including the switch package chemical plating, electroplating, composite plating, brush plating
and amorphization treatment.
2、 high-energy beam surface treatment of metal materials: including laser surface treatment,
electron beam surface modification and processing techniques such as writing.
3、the surface of the metal material vapor deposition technology: including physical and chemical
4、the thermal diffusion of metal surface infiltration technology: including carburizing.
Nitriding and carbonitriding chemical heat treatment.
5、surface hardening: such as high-frequency surface hardening, flame quenching and so on.
6、cold hardening and disposal: such as shot peening, rolling, cold compression cold rail and