China wind driven roof turbine ventilator fan

{"pid":"43986242","cid":"341684","pimg_url":"\/\/img1.tradegrowthhub.com\/9d\/47\/e071efcc28d2\/product\/170139859_s-w400xh400.jpg","name":"Non Power Roof Mounted Exhaust Fan for Workshop Wind Driven Roof Turbine Ventilator Fan","company_name":"Jinan Shuangyi Environment Engineering Co., Ltd.","attrs":{"Price":"$36.90\/sets 1-9 sets","MOQ":"1 PC","Delivery Time":"Negotiable","Brand":"China Shuangyi"}}

{"pid":"9350767","cid":"17056","pimg_url":"\/\/img1.tradegrowthhub.com\/06\/c0\/c55765979780\/product\/14810544_s-w400xh400.jpg","name":"100mm Wind Driven Roof Turbo Ventilator Turbine Ventilator Fan","company_name":"Liaocheng Wantong Ventilation Equipment Co., Ltd","attrs":{"Price":"the competitive price, factory price","MOQ":"10 piece","Delivery Time":"within 3-10 days","Brand":"\"WT\u201d & \u201cBEST\""}}