China 12v dc fan speed controller

{"pid":"51666843","cid":"372188","pimg_url":"\/\/img1.b2bforus.com\/82\/9d\/2afbf3188dda\/product\/202022654_s-w400xh400.jpg","name":"\u8abf\u7bc0\u53ef\u80fd\u306aUSB 5V \u30b9\u30c6\u30c3\u30d7\u30a2\u30c3\u30d7 DC 12V 3\u30d4\u30f3 4\u30d4\u30f3\u63a5\u7d9a\u6247\u98a8\u6a5f\u901f\u5ea6\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc \u30d1\u30ef\u30fc\u30a2\u30c0\u30d7\u30bf\u30fc\u30b1\u30fc\u30d6\u30eb PC \u51b7\u5374\u6247\u98a8\u6a5f","company_name":"Wuhan Lanxu Technology Co., Ltd.","attrs":{"\u4fa1\u683c":"CN\u00a513.09\/pieces 300-999 pieces","MOQ":"300 pieces","\u7d0d\u671f":"Negotiable"}}

{"pid":"9384390","cid":"16949","pimg_url":"\/\/img1.b2bforus.com\/a7\/0c\/4a64d576eb91\/product\/22442147_s-w400xh400.jpg","name":"\u6d44\u5316DC\u9060\u5fc3\u30d5\u30a1\u30f3\u306e\u30a4\u30f3\u30da\u30e9\u30fc\/12V\u30d6\u30e9\u30b7\u30ec\u30b9\u53ef\u5909\u901f\u5236\u5fa1\u3092\u4e7e\u71e5\u3057\u3066\u4e0b\u3055\u3044","company_name":"Ofan Electric Co., Ltd","attrs":{"\u4fa1\u683c":"negotiation","MOQ":"1pcs","\u7d0d\u671f":"5-8 work days","\u30d6\u30e9\u30f3\u30c9":"OFAN"}}

{"pid":"22599974","cid":"122676","pimg_url":"\/\/img1.b2bforus.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":{"\u4fa1\u683c":"Negotiable","MOQ":"100.0 Pieces","\u7d0d\u671f":"Negotiable","\u30d6\u30e9\u30f3\u30c9":"XINYUJIE"}}