Country

Model

Price

Power

Operation effectiveness

USA

Valleylab (SSE4)

expensive

1 - 300 w

100% success

USA

Force GSU

expensive

1 - 250 w

100% success

Germany

ERBE (T400)

expensive

1 - 400 w

100% success

China

GPD

1/5 of Valleylab

(SSE4) products

1 - 350 w

100% success

China

ZARS

1/4 of Force GSU products

1 - 350 w

100% success