About Us

Zhongyang Business Services, who has assembled a highly qualified team of investigators.   Via our San Francisco office, we also offer investigative services to the Spanish, Chinese, Korean and Russian speaking communities.

Zhongyang Business Services provides our clients with a quality product, responsive to the client's needs.  We promise value and confidentiality.

Our company motto is "Do the right thing, for the right reason".  Toward that end, we want to help people our clients with legitimate concerns, ethically, honorably and legally.

Please allow us the opportunity to discuss your specific needs with you. We are confident you will agree, we are the best choice for your investigative and case development needs. For a free consultation, please call us at +86-773-580-5515 or email us at This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

China Investigation
China Provinces

Anhui Investigation
Hefei
Huainan

Fujian Investigation
Fuzhou
Xiamen

Guangdong Investigation

Gansu Investigation
Lanzhou

Guizhou Investigation
Guiyang

Hainan Investigation
Haikou
Sanya

Hebei Investigation
Shijiazhuang
Tangshan

Heilongjiang Investigation
Harbin

Henan Investigation
Zhengzhou

Hubei Investigation
Wuhan

Hunan Investigation
Changsha

Jiangsu Investigation
Nanjing
Wuxi
Suzhou

Jiangxi Investigation
Nanchang

Jilin Investigation
Changchun

Liaoning Investigation
Shenyang
Dalian

Qinghai Investigation
Xining

Shaanxi Investigation
Xian

Shandong Investigation
Jinan
Qingdao
Zibo

Shanxi Investigation
Taiyuan

Sichuan Investigation
Chengdu

Yunnan Investigation
Kunming

Zhejiang Investigation

China Autonomous Regions

Guangxi Zhuang Autonomous Region

Inner Mongolia Autonomous Region
Hohhot

Ningxia Hui Autonomous Region
Yinchuan

China Special Administrative Regions
China Municipalities
US Investigation
California Investigation

San Francisco Investigation
San Rafael Investigation
Sacramento Investigation