COVNA Industry Automation Co.,Ltd.
Add: Building C, Longchang Micro-Chuangyuan, No. 26 Hantang Street, Dongcheng District, Dongguan City, China
Tel：86-769-22763199 / 86-769-22456666
Fax：86-769-22825120
E-mail：sales@covna-china.com
Website：http://www.covna-valve.com

Covna Group Co.,Ltd.
Add:Flat/Rm A30 707-713 Nathan Ro Mongkok Kln Hong Kong
Tel：00852-6958-3020
Skype： covna-hongwenya , dg.covna
E-mail：sales@covna-china.com
Website：http://www.covna-china.com