China 12v dc fan speed controller

{"pid":"9384390","cid":"16949","pimg_url":"\/\/img1.tradegrowthhub.com\/a7\/0c\/4a64d576eb91\/product\/22492794_s-w400xh400.jpg","name":"Bringen Sie zentrifugale Fan-schwanzlose variable Geschwindigkeitsregelung Antreiber\/12V Reinigung DCs zur Sprache","company_name":"Ofan Electric Co., Ltd","attrs":{"Preis":"negotiation","MOQ":"1pcs","Lieferzeit":"5-8 work days","Marke":"OFAN"}}

{"pid":"13526306","cid":"50732","pimg_url":"\/\/img1.tradegrowthhub.com\/7b\/2d\/de43463faa03\/product\/32465491_s-w400xh400.jpg","name":"Fernbedienung 12v Dc Sensorlose BLDC-L\u00fcfterfrequenzregler","company_name":"Changzhou Bextreme Shell Motor Technology Co.,Ltd","attrs":{"Preis":"Negotiable","MOQ":"5","Lieferzeit":"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":{"Preis":"Negotiable","MOQ":"100.0 Pieces","Lieferzeit":"Negotiable","Marke":"XINYUJIE"}}