信號揚聲器:SPK,SPK-WS,SPK-WM,SPK-WA,SPK-WV,SN-1,SN,SN-WS,SN-WM,SN-WA,SN-WV,SRN-WS,SRN-WM,SRN-WA,SRN-WV,SEN15,SEN25,SEN15/25-WS,SEN15/25-WM,SEN15/25-WA,SEN15/25-WV,SM30,SM40,SM200,SM400系列;
十三、船用重負荷防爆型信號揚聲器:SEHN25-WS,SEHN25-WM,SEHN25-WA,SEHN25-WV,SEHN50-WS,SEHN50-WM,SEHN50-WA,SEHN50-WV,SEWN30E-WS,SEHN30E-WP,SEWN30E-WM,SEWN30E-WA,SEWN30E-WV, SEWN30T-WS,SEWN30T-WM,SEWN30T-WA,SEWN30T-WV, SEWN30L-WS,SEWN30L-WM,SEWN30L-WA,SEWN30L-WV,SHDN30-WS,SHDN30-WP,SHDN30-WM,SHDN30-WA,SHDN30-WV,SEWN50E-WS,SEWN50E-WP,SEWN50E-WM,SEWN50E-WA,SEWN50E-WV,SEWN50T-WS,SEWN50T-WP,SEWN50T-WM,SEWN50T-WA,SEWN50T-WV,SEWN50L-WS,SEWN50L-WP,SEWN50L-WM,SEWN50L-WA,SEWN50L-WV,SPNA-WS,SPNA-WP,SPNA-WM,SPNA-WA系列聯(lián)系人:魏成玉 13524411981