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.
 
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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