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China roof turbo ventilator manufacturer

roof turbo ventilator & roof turbine fan

About Us
Liaocheng Wantong Ventilation Equipment Co., Ltd found in 2005. we have our own export company"Liaocheng Best Resources Co., Ltd", we have obtained the SGS certificate, please believe us, we also can let our customers ...
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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