免费精品无码āV片在线观看_亚洲伊人成无码综合影院_最新在线看的黄网_久久综合精品90_国产精品小说区视频区_欧洲高分影视工场全集在线观看免费播放_韩国国产理论午夜飘花_五月婷婷丁香六月_男人舔女人下面高潮视频_免费高清中文三级

News & Information

2018.12.26

Several Patents Handled by TDIP & Partners Won the 20th China Patent Award
3 patents handled by TDIP & Partners China won Patent Excellence Awards.
View More
2015.03.24

TDIP & PARTNERS won the annual
View More
2013.01.18

Zhihua Huang is on ACPAA’s First List of National High Calibres in Patent Agency Industry
View More
2011.11.01

The patent project acted by Tongdaxinheng happily attains 12th Chinese Patent Gold Medal
View More

Add Room 2002, A- Building, North Ring Center, No.18 Yumin Road, Xicheng District, Beijing 100029, P. R. China

Email tdip@tongdaxinheng.com

Tel 010-52593268

Message Board