China 12 volt dc motor speed controller

{"pid":"11943139","cid":"41496","pimg_url":"\/\/img1.tradegrowthhub.com\/29\/d1\/f1f512eab78c\/product\/23899039_s-w400xh400.jpg","name":"4 \u03ba\u03b1\u03bb\u03ce\u03b4\u03b9\u03b1 \u03b5\u03bb\u03b5\u03b3\u03ba\u03c4\u03ae\u03c2 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c3\u03c5\u03bd\u03b5\u03c7\u03ce\u03bd \u03bc\u03b7\u03c7\u03b1\u03bd\u03ce\u03bd 12 \u03b2\u03bf\u03bb\u03c4, Stepper \u03bc\u03b9\u03ba\u03c1\u03bf\u03cb\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03c4\u03ce\u03bd \u03b5\u03bb\u03b5\u03b3\u03ba\u03c4\u03ae\u03c2 swt-201M \u03bc\u03b7\u03c7\u03b1\u03bd\u03ce\u03bd","company_name":"Changzhou Vic-Tech Motor Technology Co., Ltd.","attrs":{"\u03a4\u03b9\u03bc\u03ae":"$20~30\/unit","MOQ":"1 Unit","\u03a9\u03c1\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03bf\u03c3\u03b7\u03c2":"15 work days after confirming the payment","\u039c\u03ac\u03c1\u03ba\u03b1":"VIC-TECH"}}

{"pid":"14471101","cid":"53039","pimg_url":"\/\/img1.tradegrowthhub.com\/30\/2e\/30cdd17a7b48\/product\/36779315_s-w400xh400.jpg","name":"\u039c\u03b9\u03ba\u03c1\u03bf\u03c3\u03ba\u03bf\u03c0\u03b9\u03ba\u03cc Pwm \u03b5\u03bb\u03b5\u03b3\u03ba\u03c4\u03ad\u03c2 \u03c3\u03c5\u03bd\u03b5\u03c7\u03bf\u03cd\u03c2 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2 \u03b5\u03bb\u03b5\u03b3\u03ba\u03c4\u03ce\u03bd 72W \u03a3\u03a5\u039d\u0395\u03a7\u03a9\u039d \u03bc\u03b7\u03c7\u03b1\u03bd\u03ce\u03bd 12 \u03b2\u03bf\u03bb\u03c4","company_name":"Shenzhen Jinshunlaite Motor Co., Ltd.","attrs":{"\u03a4\u03b9\u03bc\u03ae":"Negotiation","MOQ":"10","\u03a9\u03c1\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03bf\u03c3\u03b7\u03c2":"5-8working days","\u039c\u03ac\u03c1\u03ba\u03b1":"Aslong"}}