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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

    九鼎彩票