"I'm worried that my dispatch destination might be a black company..." When I hear the consultation, it seems that the turnover of dispatched employees is high and the wind from their direct superiors who are regular employees is also strong. That is not a little thing, and it is a serious sign of recent times to blame everything on the workplace environment. Without re-educating to improve the individual's technical skills and patience... "My dispatch destination is an active OL soapland." Okay, polish your techniques well and take good care of the customers.