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Sublue

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World’s first dual-motor underwater scooter

Binhai New Area, ChinaFounded 2013Robotics
Valuation $100–250M Last recorded · 2020
Revenue $1–10M Latest reported FY
Headcount <100 Current team size
Total funding $10–50M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Sublue and the history behind them.

About Sublue

Sublue, officially Tianjin Deepinfar Ocean Technology, is a high-tech enterprise established in 2013, focusing on the research, development, production, and sales of underwater intelligent equipment. Headquartered in the Tianjin Economic-Technological Development Area (TEDA), the company has built a global presence with offices in major cities like Shenzhen and Los Angeles. Sublue has secured significant funding, including a Series B+ round of 120 million yuan ($17.1 million) in 2020 from investors such as Minsheng Securities and TEDA Venture Capital, to fuel product development and market expansion.

The company operates with a dual focus, serving both industrial and consumer markets. For enterprise clients, Sublue provides industrial-grade products like Remotely Operated Vehicles (ROVs), Autonomous Underwater Vehicles (AUVs), and underwater gliders. These solutions cater to sectors such as marine scientific research, offshore wind power, emergency rescue, and aquaculture. On the consumer side, which launched in 2016, Sublue has carved out a significant niche in water sports and recreation. The company is recognized for its extensive line of personal underwater scooters (also known as Diver Propulsion Vehicles), electronic kickboards, and waterproof accessories designed for diving, snorkeling, and general water-based fun. The business model appears to be direct-to-consumer through its official online store and through partnerships with dealers and affiliate programs.

Sublue's consumer product portfolio includes several models tailored to different user needs, from beginners and children to experienced divers. Key products like the WhiteShark series (Mix, MixPro), the Navbow, and the high-end Vapor offer varying levels of power, speed, and features. These underwater scooters are characterized by their dual-propeller designs, which provide smooth propulsion and maneuverability. Features often include multiple speed settings, compact and portable designs, and user-friendly controls. The company has expanded its offerings to include robotic pool cleaners and quiet electric outboard motors, demonstrating a commitment to broadening its impact on water-based technology and recreation. Sublue holds a substantial intellectual property portfolio with over 360 technology patents and claims a global market share of nearly 65% in the underwater scooter segment.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2013
Headquarters
Binhai New Area, China
Employees
38
Open positions
None listed
Dealroom signal
68.5/100
Sector
Robotics, Consumer Electronics, E-Scooters, Micromobility, Sustainable Development Goals, Urban Tech, Climate Tech, Electric Mobility, Hard Tech, DT and LS
Technology
Hardware, Deep Tech
Business model
Manufacturing, Marketplace & ecommerce
Client focus
b2c

Funding history

1 recorded event

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SERIES B✓Equity / VC Jul 2020 $17M $68M Vstar Capital · Minsheng Securities · TEDA Venture Capital · SDIC Unity Capital —
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Financials

Revenue over time

Revenue, earnings and other financial measures where available. Years marked “E” are estimates.

YearRevenueGrowth
2026
2025
2024
2023
2022
2021
2020 —
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Growth signals

Sublue website traffic

Latest recorded traffic for Sublue is 99K monthly website visits, up 25.3% over the last three months. Sublue's team grew 0% over the past year.

Latest monthly visits99K 3-month web change+25.3% 1-year team growth0%
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Similar companies

Closest operating peers by Dealroom taxonomy

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Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

4 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Series A4 investors entered at this stage

  • Vstar Capital
  • Minsheng Securities
  • TEDA Venture Capital
  • SDIC Unity Capital
Team profiled 2 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 1 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
3 countries with
team presence
🇨🇳 China90.5%
🇬🇧 United Kingdom4.8%
🇺🇸 United States4.8%
3 countries shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Sublue on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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