respectively are
Zhengzhou Datong patent trademark agent co., ltd
No.2 Huayuan Road, Zhengzhou City
Chen Datong
450003
037 1-65930296
Zhengzhou hongyuanshuai patent agency office
Room 30 1 1, No.9 huanghe road, Zhengzhou (Sheng Da Building).
Xuzaolan
450003
037 1-65683752
Zhengzhou kewei patent agent co., ltd
No.2, Liu Zheng Street, Zhengzhou City
Zhangxintang
450003
037 1-65997793
Zhengzhou lianke patent office
No.58 Hong Zhuan Road, Zhengzhou City
Liu
450002
037 1-65722809
Zhengzhou ruixin intellectual property agent co., ltd
5th Floor, Science and Technology Building, No.22 Liu Zheng Street, Zhengzhou City
Chen Hao
450008
037 1-6570825 1
Zhengzhou Tianyang patent office
Room 1 108, Huazheng Building, No.56, the intersection of Huayuan Road and Hong Zhuan Road, Zhengzhou City.
Nie mengmin
450003
037 1-65932046
Zhengzhou Yi Kai patent office
No.0609, Building 9, Kangqiao Huacheng, Great Wall, No.80 Daxue Road, Zhengzhou City
Hanhua
450052
037 1-6736587 1
Zhengzhou Zhong Min Patent Agency Co., Ltd.
No.81Songshan South Road, Zhengzhou City
Guo Zhongmin
450052
037 1-6794 1973
Zhengzhou Zhongyuan patent office co., ltd
No.0/2, Weisi Road, Zhengzhou City
Sau Lin Chong
450003
037 1-6595 1509
Marshal Hong, Datong, Tianyang and Zhongyuan have many senior agents.