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China Wind driven Roof turbine ventilator Fan manufacturer
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Wind driven Roof turbine ventilator Fan & Powerless Roof turbine ventilator fans

About Us
Liaocheng Wantong Ventilation Equipment Co., Ltd found in 2010. we have our own export company "Liaocheng Best Resources Co., Ltd", we have obtained the SGS certificate, we can ensure that our products are High Quality, ...
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Quality Control
1. GB/T 9001-2008 ids ISO 9001:2008 2. Industrial production license 3. SGS certificate.
Contact Us
Address : 4th Floor, Office buliding, Baililai Industrial Park, Development zone, Liaocheng, Shandong, China.
Business Phone :
86--13206355356(Working time)
Fax : 86-0635-8220054