e_mail：Michael.gao@zdefect.com    tel：0086 25 85697709   cell phone：0086 13770798226    code：211100   
address：Room 706,No.12 Heyan Huayuan, Heyan Road, Xixia District,Nanjing,Jiangsu, China   
copyright © ZD Industry Trading Co.,Ltd  all rights reserved.  su icp no:06045531