1, Germany Ceralas laser: Ceralas laser is the first technetium laser in the world, and it is also the only technetium laser that can be used for prostate surgery in the world at present.
2. French Biolitec laser: Biolitec laser is the second technetium laser in the world and the only technetium laser in the world that can be used for prostate surgery.
3. American green laser: Green laser is the third thulium laser in the world and the only thulium laser in the world that can be used for prostate surgery.