Warmly celebrate the company's new website online!
Shanghai Weishiwen Ventilation Engineering Equipment Co., Ltd. is a wholly-owned enterprise of Hong Kong Visawen (Int...
The products have also expanded from the original air conditioning tuyere series to fire dampers, exhaust valves
Independently developed a new type of air valve, variable air volume valve, variable air volume valve, etc.
The products are well designed, reliable in quality, beautiful in appearance and complete in variety. All products meet the relevant national standards.
1988
1995
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2015
Shanghai Weishiwen Ventilation Engineering Equipment Co., Ltd. is a wholly-owned enterprise of Hong Kong Visawen (Int...
Company panorama
Office building
Company entrance
company Pictures
Factory picture
Airflow experiment
Laboratory