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About us

Shanghai Weishiwen Ventilation Engineering Equipment Co., Ltd.

Quality first, perfect service, fair competition

  Shanghai Weishiwen Ventilation Engineering Equipment Co., Ltd. is a wholly-owned enterprise of Hong Kong Visawen (International) Co., Ltd. in Shanghai. Its predecessor is the famous Shanghai Weishiwen Air Conditioning Port Co., Ltd. The company is located on the south bank of the Huangpu River, close to the urban area and the Pudong New Area. The geographical position is superior and the transportation is convenient.



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Fire damper, exhaust valve, air volume control valve series

The products have also expanded from the original air conditioning tuyere series to fire dampers, exhaust valves

Committed to the development of new products

Independently developed a new type of air valve, variable air volume valve, variable air volume valve, etc.

Products are in line with relevant national standards

The products are well designed, reliable in quality, beautiful in appearance and complete in variety. All products meet the relevant national standards.

Quality first, perfect service, fair competition

In 1999, the company passed the ISO9001-2000 international quality assurance system certification by the Beijing New Century Quality Argument Center; the British National Quality System Certification Center (NQA) quality system certification.

Establishment of enterprise

1988

Approval certificate of Hong Kong, Macao and Taiwan

1995

IOS9001 quality system certification

1999

National CCCF compulsory certification certificate

2015

NEWS

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...

Release date: 2019-11-13 For details>>

Plant equipment

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