To address: Yiyuan Economic Development Zone in Shandong
Headquarters call:0533-3282222 3382222
Home sales hotline:0533-3286666 3266666
Foreign sales hotline:0533-3381777
Hotline:400-999-6999
Fax:0533-3259888 3280999
Group mailbox:
ziboyonghua@126.comInternational sales e-mail:
yonghuafilter@126.com