COMPANY PROFILE

White Box (Shanghai) Microelectronics Technology

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Software-defined hardware chips for high-power computing needs

ChinaFounded 2020Semiconductors

Valuation $100–250M Last recorded · 2023

Total funding $10–50M Disclosed equity funding

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About White Box (Shanghai) Microelectronics Technology

White Box (Shanghai) Microelectronics Technology, operating as o-cubes.com, is a developer of Software Defined Hardware (SDH) advanced chips catering to clients requiring significant computing power. Founded in 2020, the company has introduced two generations of digital intermediate frequency (DFE) System-on-Chip (SoC) products. The second-generation chip is noted for its support of four channels and four carriers, a versatile transmit power configuration, and an integrated macro station-level high-performance Crest Factor Reduction (CFR) and Digital Pre-Distortion (DPD) algorithm, enhancing chip efficiency.

The firm is privately held and has successfully secured venture capital funding, including a Series A round that concluded in October 2023. Its investor base includes firms such as CAS Capital China, FineWill Capital, Guoke Longhui, Liansheng Capital, and Panlin Capital. White Box Microelectronics operates in the application-specific semiconductors industry, with a focus on advanced manufacturing verticals.

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At a glance

Status: Operational
Founded: 2020
Headquarters: China
Open positions: None listed
Dealroom signal: 20.0/100
Industry: Semiconductors
Sector: Semiconductors, Spinout, DT and LS, science-based
Technology: Deep Tech
Client focus: b2b
Links: Website

Knowledge graph

Founder mafia, market maps, research and news connected to this company by Dealroom

Funding history

3 recorded events

Company financing events and reported valuations.

Deal type	Date	Amount	Valuation	Investors	Source
SERIES A✓Equity / VC	Oct 2023	$28M	$110M	Shanghai Guoke · CAS Capital · Xinding Rongsheng Capital · Shanghai Liansheng Investment Management	↗
SEED✓Equity / VC	Jan 2022	—	—	Shanghai Lianhe Investment	↗

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Growth signals

White Box (Shanghai) Microelectronics Technology website traffic

Latest recorded traffic for White Box (Shanghai) Microelectronics Technology is 150 monthly website visits, down 68.8% over the last three months.

Latest monthly visits150 3-month web change-68.8%

Monthly website visitsOct 2023–Jun 2026

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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.

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Investors

9 investors on the cap table

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

Seed1 investor entered at this stage

SIShanghai Lianhe Investment

Series A7 investors entered at this stage

CCCAS Capital
SGShanghai Guoke
XCXinding Rongsheng Capital
SMShanghai Liansheng Investment Management
SIShanghai Lianhe Financial Information
PMPan-Lin Asset Management
FCFineWill Capital

Other known investors1 additional known investor

FUFudan University

Talent

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Founders /100 quality score

Key operators quality score

Potential founders likely future founders

Startup mafia alumni-founded startups

Talent movements in · out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country

Workforce by country

🇨🇳 China HQ

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Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about White Box (Shanghai) Microelectronics Technology 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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