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China TMK Battery Systems

DFEL
54
Electrical Equipment & Parts · Industrials
Winston Score
54
Winston is curious
Mixed quality — meaningful strengths and weaknesses.
Data as of Aug 23, 2026 · filings through Jun 30, 2026
How the score breaks down
Quality
Mixed
Growth
Strong
Cash Flow
Mixed
Stability
Good
Valuation
Good

Winston Score History

The full picture

China TMK Battery Systems Inc. makes battery systems and related electrical components. The company focuses on energy storage products, primarily serving industrial and commercial customers in China. It operates in the electrical equipment sector, which includes manufacturers that supply power solutions to businesses and infrastructure projects.

The company earns revenue by selling battery systems and parts directly to customers, rather than through subscriptions or licensing. It operates mainly in China, and with a market cap near zero it is a very small company by global standards. Its gross margin of around 23% suggests modest pricing power, but small size and heavy reliance on a single geographic market create real concentration risk. The biggest challenge the company faces is competing against much larger, better-funded battery manufacturers in China, including companies backed by the Chinese government, which makes it difficult to grow market share or defend its current position.

Growth Profile

When traditional metrics don't capture the full picture, these are the signals growth stock investors use instead.

Revenue Growth

>+1,000% YoY

YoY Growth Rate

Revenue accelerating

EPS Growth

>+1,000% YoY

YoY Growth Rate

EPS growth accelerating

Insider Activity

45.8%ownership

Flat

Insider ownership roughly steady over the past year

Cash Position

Cash flow positive

$10,905 cash & investments

Quarterly Free Cash Flow

→ Burn rate stable

Company generates more cash than it spends — no dilution risk from fundraising

Revenue accelerating

China TMK Battery Systems grew revenue 3698% year-over-year and the growth rate is speeding up. That's the kind of momentum growth investors look for — the question is whether margins can follow.

The Winston Score above measures business quality today. Growth stocks often score lower because they invest in the future rather than maximising current profits. These metrics show what matters most for evaluating that future.

Score breakdown

Every number that matters to educated investors.

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Quality

Profit per sale
Gross Margin
39.2%
Modest — 39.2% gross margin
Profit after running costs
Operating Margin
19.8%
Healthy — 19.8% operating margin
Return on the money invested
ROCE
10.5%
Below par — 10.5% return on capital

ROIC between 5% and 15%. They earn 5 to 15 cents back per year on every dollar invested.

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Growth

Sales growth
Sales YoY
>+1,000%
Fast-growing sales (>+1,000% YoY)
Profit growth
EPS YoY
N/A
Data not available
How steady the profit is
EPS Consistency
7/8 quarters
Every recent quarter grew earnings vs last year

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Cash Flow

Profit that turns into cash
Cash Conversion
55%
Weak — only 55% of profit becomes cash
Spare cash per sale
FCF Margin
11.9%
Modest free cash flow (11.9%)

FCF margin between 10% and 20%. Every $100 in sales becomes $10 to $20 in real cash.

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Stability

What it owes vs what it owns
Debt / Equity
N/A
Data not available
Covers its interest
Interest Cover
50402.31x
Comfortably covers interest (50402.3x)

Interest coverage above 8. Profits cover interest many times over.

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Valuation

Price vs profit
P/E Ratio (TTM)
10.6x
no trend
Attractive valuation — P/E 10.6

P/E in the normal range. Price is roughly $15 for every $1 of yearly profit.

Cheaper or dearer next year
P/E vs Forward
N/A
not available
Data not available

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Dividends

Not applicable for this business.
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