China 12v dc fan speed controller

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{"pid":"9384390","cid":"16949","pimg_url":"\/\/img1.tradegrowthhub.com\/a7\/0c\/4a64d576eb91\/product\/22442147_s-w400xh400.jpg","name":"Areje o controle de velocidade impulsor\/12V vari\u00e1vel sem escova centr\u00edfugo do f\u00e3 da C.C. da purifica\u00e7\u00e3o","company_name":"Ofan Electric Co., Ltd","attrs":{"Pre\u00e7o":"negotiation","MOQ":"1pcs","Prazo de entrega":"5-8 work days","Marca":"OFAN"}}

{"pid":"13526306","cid":"50732","pimg_url":"\/\/img1.tradegrowthhub.com\/7b\/2d\/de43463faa03\/product\/32465491_s-w400xh400.jpg","name":"Controle remoto 12v Dc Sensorless BLDC Ventilador controlador de velocidade","company_name":"Changzhou Bextreme Shell Motor Technology Co.,Ltd","attrs":{"Pre\u00e7o":"Negotiable","MOQ":"5","Prazo de entrega":"Negotiable"}}

{"pid":"22599974","cid":"122676","pimg_url":"\/\/img1.tradegrowthhub.com\/d4\/31\/1d77f2a50fcb\/product\/76418591_s-w400xh400.jpg","name":"Factory Products 5V Speed Control PWM 12V DC Fans XYJ24B4020 for 3D Printer","company_name":"Shenzhen Xinyujie Technology Co., Ltd.","attrs":{"Pre\u00e7o":"Negotiable","MOQ":"100.0 Pieces","Prazo de entrega":"Negotiable","Marca":"XINYUJIE"}}