China 12v dc fan speed controller

{"pid":"51666843","cid":"372188","pimg_url":"\/\/img1.tradegrowthhub.com\/82\/9d\/2afbf3188dda\/product\/202022654_s-w400xh400.jpg","name":"Verstelbare USB 5V Step up Boost naar DC 12V 3 Pin 4 Pin Connector Fan Speed Controller Power Adapter Cable voor PC koelventilator","company_name":"Wuhan Lanxu Technology Co., Ltd.","attrs":{"Prijs":"CN\u00a513.09\/pieces 300-999 pieces","MOQ":"300 pieces","Tijd om te bezorgen":"Negotiable"}}

{"pid":"9384390","cid":"16949","pimg_url":"\/\/img1.tradegrowthhub.com\/a7\/0c\/4a64d576eb91\/product\/22442147_s-w400xh400.jpg","name":"Centrifugaal de Ventilatordrijvende kracht van de luchtreiniging gelijkstroom\/Brushless Veranderlijke de Snelheidscontrole van 12V","company_name":"Ofan Electric Co., Ltd","attrs":{"Prijs":"negotiation","MOQ":"1pcs","Tijd om te bezorgen":"5-8 work days","Merk":"OFAN"}}

{"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"}}