After-Service Dept

:service@byintek.com

: +0086 153 6794 2004

: +0086 153 6794 2004

Marketing Dept
: one@byintek.com

: +0086 15364036041
: +0086 15364036041

: +0086 731 8858 6340

: 601,6Floor,C4#,JinRong Industrial Park,PuRui Xi Lu;Wang Cheng District,Changsha ,Hunan, China