China 12v dc fan speed controller

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{"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":{"\uac00\uaca9":"Negotiable","MOQ":"100.0 Pieces","\ubc30\ub2ec \uc2dc\uac04":"Negotiable","\uc0c1\ud45c":"XINYUJIE"}}