statement

Release time：2021-05-10

Stick to the post and fight

Release time：2020-03-02

Rat heralds a good year. Happy New Year!

Release time：2020-01-21

Don't forget to forge ahead!

Release time：2020-01-02

Warmly celebrate the company's new website online!

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 Weishi...

Release time：2019-11-13

Statement

Release time：2019-11-13

Announcement on the launch of the new version of the QR code anti-c...

Release time：2019-11-13