Luoyang Tongyi Metal Material Development Co., Ltd.,
Add:Huifeng Road 75,Mengjin County, Luoyang City, China
Tel:+86-379-67832973(-Exchange Tel)to(606)
+86-379-67832973(-Exchange Tel)to(623)
PC:471100
Fax:+86-379-64958128/+86-67831865
E-mail:zhengwei@luoyangtongyi.com