Europe:
martin@esvatek.com
lbj@china-yada.com
marketing3@china-yada.com
Korea:marketing@china-yada.com
America and Southeast Asia:marketing3@china-yada.com
Head Office:yada@cnyada.net, wzt@cnyada.net
warranty@cnyada.net
primeserv@cnyada.net
maintenance@cnyada.net