精品国产亚洲一区二区三_国产高清国内精品福利99久久_在线精品无码字幕无码av_久久亚洲高清av无码_在线观看国产成人AV天堂综合_最新国产精品拍自在线观看

 
  first-class quality, first-class service and continuous innovation
 

 

公司介紹
 

         

 
hankuiwl.cn

Sales service: 86-22-87890403,13323330133
Technical service: 13820611414,13323330133,86-22-85689004
Fax:  86-22-87890435
Email: postmaster@tjge.com
;  tjge@tju.edu.cn
Office add.: M8-1-302, Hi-tech green base, Huayuan Industrial District, Tianjin, R.P. China
Plant add.: D-101-A, Hi-tech green base, Huayuan Industrial District, Tianjin, R.P. China

 

 
        HOME || PRODUCTS || NEWS&EVENTS || ACHIEVEMENT || CONTACT US