くれぐれも浄水器の悪質訪問販売業者や無料点検商法にはご注意ください。

tbd

Please exercise every caution against cowboy salesmen of water purifiers and fraudulent-test sales.

勝手に水質検査を行ったあげく浄水器を売りつけるなど、悪質な訪問販売が多発しています。

tbd

There are frequent instances of malicious door-to-door selling, such as pushing water purifiers on people after carrying out water quality tests without permission.