Customer's Requirement Negative pressure fan

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{"cid":"290062","pid":"36946329","pimg_url":"\/\/img1.b2bforus.com\/0f\/83\/39db6f4d8528\/product\/146169347_s-w400xh400.jpg","name":"Wholesale Industrial Heavy Duty Wind Power.convenient .strong Poultry Farm Negative Pressure Hammer Saving Exhaust Fan","attrs":{"Price":"Negotiable","MOQ":"2.0 pieces","Delivery Time":"Negotiable","Brand":"QINYAO"}}

{"cid":"290062","pid":"36946327","pimg_url":"\/\/img1.b2bforus.com\/0f\/83\/39db6f4d8528\/product\/146169330_s-w400xh400.jpg","name":"Energy Saving .strong Wind Power.convenient Industry Negative Pressure Exhaust Fan For Ventilation Animal Husbandry Pig Farm Chicken House","attrs":{"Price":"Negotiable","MOQ":"2.0 pieces","Delivery Time":"Negotiable","Brand":"QINYAO"}}

{"cid":"290062","pid":"36946323","pimg_url":"\/\/img1.b2bforus.com\/0f\/83\/39db6f4d8528\/product\/146169318_s-w400xh400.jpg","name":"Wind Power.convenient .strong energy saving Industrial Stainless Steel Negative Pressure Fan Exhaust Fan Strong Suction Fan","attrs":{"Price":"Negotiable","MOQ":"2.0 pieces","Delivery Time":"Negotiable","Brand":"QINYAO"}}

{"cid":"290062","pid":"36946321","pimg_url":"\/\/img1.b2bforus.com\/0f\/83\/39db6f4d8528\/product\/146169307_s-w400xh400.jpg","name":"Wind Heat Power.convenient .strong energy saving industrial exhaust fan hothouse ventilation exhaust fan factory","attrs":{"Price":"Negotiable","MOQ":"2.0 pieces","Delivery Time":"Negotiable","Brand":"QINYAO"}}

{"cid":"290062","pid":"36946320","pimg_url":"\/\/img1.b2bforus.com\/0f\/83\/39db6f4d8528\/product\/146169290_s-w400xh400.jpg","name":".strong Energy Saving Axial Industrial Ventilation Fan Roof Roof Negative Pressure Ventilation Fan Power.convenient","attrs":{"Price":"Negotiable","MOQ":"2.0 pieces","Delivery Time":"Negotiable","Brand":"QINYAO"}}

{"cid":"290062","pid":"36946316","pimg_url":"\/\/img1.b2bforus.com\/0f\/83\/39db6f4d8528\/product\/146169278_s-w400xh400.jpg","name":"Industrial Exhaust Fan Factory Warehouse Poultry Farm Greenhouse Ventilation Fan Negative Pressure Wind Power.convenient .strong energy saving","attrs":{"Price":"Negotiable","MOQ":"2.0 pieces","Delivery Time":"Negotiable","Brand":"QINYAO"}}

{"cid":"290062","pid":"36946314","pimg_url":"\/\/img1.b2bforus.com\/0f\/83\/39db6f4d8528\/product\/146169266_s-w400xh400.jpg","name":"Heavy Type Saving Energy .strong Poultry Farm Poultry Farm Greenhouse Hammer Exhaust Fan Negative Pressure Wall Cooling Ventilation","attrs":{"Price":"Negotiable","MOQ":"2.0 pieces","Delivery Time":"Negotiable","Brand":"QINYAO"}}

{"cid":"290062","pid":"36946313","pimg_url":"\/\/img1.b2bforus.com\/0f\/83\/39db6f4d8528\/product\/146169251_s-w400xh400.jpg","name":"Energy Saving Negative Pressure Ventilation Wall Mounted Industrial Exhaust Fans .strong Power.suitable for greenhouse\/poultry farm","attrs":{"Price":"Negotiable","MOQ":"2.0 pieces","Delivery Time":"Negotiable","Brand":"QINYAO"}}

{"cid":"290062","pid":"36946309","pimg_url":"\/\/img1.b2bforus.com\/0f\/83\/39db6f4d8528\/product\/146169236_s-w400xh400.jpg","name":"Price Saving Negative Pressure Wind Power.convenient Energy .strong Interesting Ventilation Roof Centrifugal Exhaust Fans For Poultry Farm","attrs":{"Price":"Negotiable","MOQ":"2.0 pieces","Delivery Time":"Negotiable","Brand":"QINYAO"}}