Zhejiang Norm Environmental Protection Technology Co.,Ltd.
Ningbo Norm Intelligent Technology Co., Ltd.
Yuyao Norm Ventilation Engineering Co., Ltd.
Address:No.108,Zhenxing West Road, Yuyao City, Zhejiang Province
Postal Code:315400
Phone:+86-18058266600 , +86-574-82288600 , +86-574-62856289
Fax:+86-574-62819181
E-mail:normduct@qq.com
