China 12v dc fan speed controller

{"pid":"13526306","cid":"50732","pimg_url":"\/\/img1.tradegrowthhub.com\/7b\/2d\/de43463faa03\/product\/32465491_s-w400xh400.jpg","name":"Afstandsbediening 12v Dc Sensorless BLDC Fan Driver Speed Controller","company_name":"Changzhou Bextreme Shell Motor Technology Co.,Ltd","attrs":{"Prijs":"Negotiable","MOQ":"5","Tijd om te bezorgen":"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":{"Prijs":"Negotiable","MOQ":"100.0 Pieces","Tijd om te bezorgen":"Negotiable","Merk":"XINYUJIE"}}