HYDZ

E Thehiloe ka 2002, Lilemong tse fetang 20 tse fetileng, Xinghua Huayu Electronics Co., Ltd. e lula e shebane le tšimo ea likarolo tsa acoustic.Re akaretsa sebaka sa lisekoere-mithara tse 6000, re hloekisa mohaho o ka bang lisekoere-mithara tse 3000.Lihlahisoa li na le li-buzzers / lisebelisoa tsa sebui sa mini / ultrasonic piezoelectric sensors le CBB capacitor.Ho theosa le lilemo, re fa bareki ba rona boleng bo holimo ba lihlahisoa le litšebeletso.Re nka monyetla ka moruo oa tikoloho, re fetohile ba bang ba barekisi ba tummeng ba likarolo tsa acoustic indastering.Letšoao la rona "HYDZ" le lula le na le botumo bo botle 'marakeng lapeng le mose ho maoatle.