Start Free Trial
Pricing
Log In
Log In
Upgrade browser for full Crunchbase experience. You're accessing Crunchbase in a browser that is no longer supported.
Learn More
YellFun Logo
YellFun Growth Score
37
CB Rank
1309300
Heat Score
1
YellFun is a developer of indoor positioning systems.
Founded
obfuscation
PrivateAngel Shanghai, Shanghai, China11-50 www.indoorun.cn
Electronics
Intelligent Systems
Location Based Services
Overview

YellFun
Total Funding
obfuscation
Growth Score
37
Heat Score
1

Total Funding
obfuscation
obfuscation
Angel raised
obfuscation
Growth Score37
-3 pts
in past quarter
Heat Score 1
-12 pts
in past quarter

Company Performance Metrics

Score
Trend
AI Content may contain mistakes and is not legal, financial or investment advice.Learn more.
Growth Score - The measure of growth based on company activity, operational metrics, and investments
Growth Trend - The change in the growth score over the given time period
Heat Score - The measure of the market interest, media activity, and Crunchbase profile activity
Heat Trend - The change in the heat score over the given time period
Learn More >
Recent Milestones
Raised Funding Round
Jan 1, 1970
Lorem ipsum dolor sit amet, consectetur
Raised Funding Round
Jan 1, 1970
Lorem ipsum dolor sit amet, consectetur
Raised Funding Round
Jan 1, 1970
Lorem ipsum dolor sit amet, consectetur
See more interactive data and historical milestones on desktop for the best experience

About YellFun

CB Rank
1309300
YellFun is a developer of indoor positioning systems.
Founded
obfuscation
PrivateAngel Shanghai, Shanghai, China11-50 www.indoorun.cn
Electronics
Intelligent Systems
Location Based Services

Funding Rounds

Angel
OBF
in
obfuscation

Key People

Details

Also Known As 上海雅丰信息科技有限公司, YellFun
Operating Status Active
Company Type For Profit
Founders  Xiaofeng He
About the Company
YellFun is a technology service company that conducts research and development for mobile applications and is a developer of indoor positioning systems based on optimization algorithms, providing technical support services for various mobile Internet applications.
Phone Number 0571-88258679
Predictions & Insights

Growth Prediction

See this Growth Prediction

Products & Services

Indoorun SDK
A mobile application programming interface for indoor positioning and navigation, offering map construction, precise positioning, route planning, POI search, and local overlay rendering.
Indoorun Mobile Application
A standardized mobile app interface with built-in positioning and navigation logic that can be customized by replacing project maps for indoor location services.

Unlock More with Crunchbase Pro
  • Full access to financial & funding data on unlimited profiles
  • Export up to 2k results/month for analysis
  • Track market signals on competitors, products, and R&D
  • Preview private company insights and predictions
Financials

Company Funding

Total Funding Amount 
obfuscation
Number of Funding Rounds 1
Unlock company funding data, including rounds, dates, amounts, and investors.
Announced Date  
Transaction Name  
Number of Investors  
Money Raised  
Lead Investors  
Funding Type  
obfuscation
Angel Round - YellFun Logo
Angel Round - YellFun
1
obfuscation
— Angel
obfuscation
Angel Round - YellFun Logo
Angel Round - YellFun
1
obfuscation
— Angel
obfuscation
Angel Round - YellFun Logo
Angel Round - YellFun
1
obfuscation
— Angel
obfuscation
Angel Round - YellFun Logo
Angel Round - YellFun
1
obfuscation
— Angel
obfuscation
Angel Round - YellFun Logo
Angel Round - YellFun
1
obfuscation
— Angel

Funding Rounds

Total Funding Amount 
obfuscation
Number of Funding Rounds 1
Unlock company funding data, including rounds, dates, amounts, and investors.
Announced Date  
Transaction Name  
Number of Investors  
Money Raised  
Lead Investors  
Funding Type  
obfuscation
Angel Round - YellFun Logo
Angel Round - YellFun
1
obfuscation
— Angel
obfuscation
Angel Round - YellFun Logo
Angel Round - YellFun
1
obfuscation
— Angel
obfuscation
Angel Round - YellFun Logo
Angel Round - YellFun
1
obfuscation
— Angel
obfuscation
Angel Round - YellFun Logo
Angel Round - YellFun
1
obfuscation
— Angel
obfuscation
Angel Round - YellFun Logo
Angel Round - YellFun
1
obfuscation
— Angel

Investors

Unlock company funding data, including rounds, dates, amounts, and investors.
Investor Name  
Lead Investor  
Funding Round  
Partners  
Jieshun Technology Logo
Jieshun Technology
—
Angel Round - YellFun Logo
Angel Round - YellFun
—
Jieshun Technology Logo
Jieshun Technology
—
Angel Round - YellFun Logo
Angel Round - YellFun
—
Jieshun Technology Logo
Jieshun Technology
—
Angel Round - YellFun Logo
Angel Round - YellFun
—
Jieshun Technology Logo
Jieshun Technology
—
Angel Round - YellFun Logo
Angel Round - YellFun
—
Jieshun Technology Logo
Jieshun Technology
—
Angel Round - YellFun Logo
Angel Round - YellFun
—
Market Intelligence
People
View Profiles & Contacts
Headcount 11-50 Employee Profiles 1

Employee Profiles

News
Technology
View Tech Report

Active Website Tech Count

6YellFun is actively using 6 technologies for its website, according to BuiltWith. These include SSL by Default, nginx, and  Chinese Server Location.
Sub-Organizations
Frequently Asked Questions

Where is YellFun's headquarters? YellFun is located in Shanghai, Shanghai, China.Who invested in YellFun? YellFun is funded by Jieshun Technology.When was the last funding round for YellFun? YellFun closed its last funding round on
obfuscation
from a Angel round.Who are YellFun's competitors? Alternatives and possible competitors to YellFun may include Cisco, VergeSense, and  Quuppa.How much funding has YellFun raised to date? YellFun has raised
obfuscation
.
Who We Are
What We Do
Helpful Links
AI Content may contain mistakes and is not legal, financial or investment advice. Learn more.
Terms of Service | Privacy Policy | Sitemap | © 2026 Crunchbase Inc. All Rights Reserved.
(5eb04bf 1)
|