Cardboard boxes Cooling fan circuit board

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{"cid":"190645","pid":"29526721","pimg_url":"\/\/img1.b2bforus.com\/3f\/a8\/6deb83df38a4\/product\/109477426_s-w400xh400.jpg","name":"FR-4 1.6mm Copper 1oz Custom Design 350 RPM Remote Control Ceiling Fan","attrs":{"Price":"Negotiable","MOQ":"1000 Pieces","Delivery Time":"Negotiable","Brand":"TXZNKJ"}}

{"cid":"190645","pid":"29526715","pimg_url":"\/\/img1.b2bforus.com\/3f\/a8\/6deb83df38a4\/product\/109477403_s-w400xh400.jpg","name":"FR-4 1.6mm new hot fan 1oz copper electrical circuit control pcb board 12V brushless DC fan controller pcba","attrs":{"Price":"Negotiable","MOQ":"1000 Pieces","Delivery Time":"Negotiable","Brand":"TXZNKJ"}}

{"cid":"190645","pid":"29526709","pimg_url":"\/\/img1.b2bforus.com\/3f\/a8\/6deb83df38a4\/product\/109477384_s-w400xh400.jpg","name":"Electronics Device China PCB Manufacturer One-Stop Service Printed Circuit Board \/ PCB Assembly","attrs":{"Price":"$6.00(5000 - 19999 Pieces) $5.90(20000 - 29999 Pieces) $5.80(30000 - 49999 Pieces) $5.60(>=50000 Pieces)","MOQ":"5000 Pieces","Delivery Time":"Negotiable","Brand":"TXZNKJ"}}

{"cid":"190645","pid":"29526702","pimg_url":"\/\/img1.b2bforus.com\/3f\/a8\/6deb83df38a4\/product\/109477361_s-w400xh400.jpg","name":"FR-4 1.6mm Copper 1oz 12V UV Bactericidal Lamp And PCB","attrs":{"Price":"Negotiable","MOQ":"1000 Pieces","Delivery Time":"Negotiable","Brand":"TXZNKJ"}}