What surveying and mapping related companies or units are there in Guangzhou?

Guangzhou Surveying and Mapping Geographic Information Association; South surveying and mapping; Guangzhou Municipal Bureau of Land Resources and Housing Management;

Guangzhou Surveying and Mapping Management Office; Surveying and mapping building; Guangzhou Maritime Surveying and Mapping Center.

Guangzhou Oulai Surveying and Mapping Technology Co., Ltd.;

Guangzhou Yu Hui Intelligent Measurement Technology Co., Ltd.;

Guangdong Bangxin Survey Technology Co., Ltd.;

Guangzhou Tianchi Surveying and Mapping Technology Co., Ltd.;

Guangzhou SuperMap Information Technology Co., Ltd.;

Guangzhou Situoli Surveying and Mapping Technology Co., Ltd.;

Guangzhou Borui Surveying and Mapping Technology Co., Ltd.;

Guangzhou jiantong surveying and mapping geographic information technology co., ltd