2018
The 22nd China International Trenchless Technology Symposium and Exhibition
Exhibition time: 2018.4.11-13
Zhengzhou International Convention and Exhibition Center
Contact Information
One sale:+8618931651559、+8613931638572
Sales two:+8619931652091、+8618230169083
Three sales:+8618230169016、+8618931653887
Mailbox:ok19981998@163.com
tgx197207@163.com tgx@king-drilling.com
Contact Information
One 1:+8618931651559,+8613931638572
Sales 2:+8619931652091,+8618230169083
Sales 3:+8618230169016,+8618931653887
E-mail:ok19981998@163.com