SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Chang Guang Satellite Technology logo Chang Guang Satellite Technology Manufactures and operates the Jilin-1 constellation of over 100 optical remote sensing satellites and provides geospatial data products and services vs Epsilon3 Provides AI-powered procedure execution and resource management software for complex engineering, manufacturing, testing, and operations Epsilon3 logo
HEAD-TO-HEAD1 shared sector
Chang Guang Satellite Technology Epsilon3
Founded 2014 2021
Headquarters Changchun, China Los Angeles, California
Type private private
Status operating operating
Employees 600 29
Total funding $411M $18.8M
Latest round Series D Series A
Sectors Earth Observation & Remote Sensing, Geospatial Intelligence & Analytics, Satellite Manufacturing Space Software & Mission Tools, Satellite Manufacturing
Products listed 6 6
Federal contracts
Launches
Leaders listed Xuan Ming, Wang Dong, Jia Hongguang Laura Crabtree, Max Mednik, Audrey Fraijo
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Chang Guang Satellite Technology and Epsilon3 compare?

Both companies work in Satellite Manufacturing. Chang Guang Satellite Technology was founded in 2014 and Epsilon3 in 2021.

Which is larger, Chang Guang Satellite Technology or Epsilon3?

Chang Guang Satellite Technology reports the larger workforce, with 600 employees versus 29.

Numbers refresh on every render against the live Space Index database. Federal contract data from USAspending.gov; launches from LaunchLibrary2.