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Keysino Separation Technology Inc (300899) fair value: what the stock is really worth

As of Nov 9, 2026: fair value (intrinsic value) of Keysino Separation Technology Inc stock ¥6.86, price ¥22.98, that is 70.1% below the price, quality 65 out of 100. Rating: strongly overvalued. Calculated from audited financials with 16 of our 26 valuation models and 37 quality factors, updated daily.

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Industrials CN · ISIN CNE100004892

KS Keysino Separation Technology Inc logo Broad data Nov 8, 2026

Keysino Separation Technology Inc

300899 · SHE
Solid, but very expensive

Our calculation puts a fair price 70% below what the stock costs today.

Quality 65/100
Low debt
Broad data
Last quarter vs. a year ago: revenue +75%, profit +65%.
Thin margins · 3.1% net margin (TTM)
Mixed vs. peers (6/13)
Fair value ¥6.86 · Strongly overvalued
Weak Growth (revenue 5y +1.9 %/yr in CNY)
Negative free cash flow
3.2% dividend yield · Pays more than it earns
Narrow moat 41/100 · thin data
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69 individual criteria per stock, every one traceable See the method →

Price vs Fair Value

¥42.99 ¥16.39 Fair Value ¥6.86 May 2021 Nov 2026

White line = price, green steps = our fair value per fiscal year. As of Nov 8, 2026.

How to read this chart

60‑month range ¥16.39 – ¥42.99 · fair‑value band ¥6.04 – ¥6.98 · the ¥22.98 price screens above the ¥6.86 fair value. Green steps = our fair value per fiscal year (point-in-time, no hindsight). As of Nov 8, 2026.

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Company profile

Keysino Separation Technology Inc. engages in the research, development, and application of membrane separation technology in China and internationally.

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It offers wastewater solutions, including industrial wastewater standard discharge and reuse, salt control discharge, high salinity wastewater zero liquid discharge, and wastewater plant upgrading; feedwater solutions comprising softened, demineralized, ultrapure water, and sea water desalination; and material separations for vitamin, antibiotic, plant extractions, dairy products, organic acid, additives, amino acid, and sucrose and molasses.

The company also provides industrial waste alkali and acid reuse, oiling agent, indigo dye, mother solution, protein, titanium dioxide, nonferrous metal, and catalyst reuse; high brine salt refining; mercerizing alkali purification; hemicellulose, lignin resource, and acidic water-oriented utilization; high brine fine pre-treatment; and PTA recovery.

In addition, the company offers KS customized systems, testing equipment, special membrane, and accessory products.

It serves printing and dyeing, chemical, bio-pharmaceutical, viscoses, food, pulping, infrastructure, metal and mining, electronic and new material, and customization industries. keysino separation Technology Inc. was founded in 2011 and is based in Shanghai, China.

Stock analysis

Keysino Separation Technology Inc (300899) currently trades at ¥22.98, while our model-based Fair Value estimate is ¥6.86, 70% below the price, so the stock looks overvalued today.

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Valuation

Bull case: the Multiples group reads highest at a median of ¥12.15 per share, and 1 of the 16 models we run sit above the ¥22.98 price.

Bear case: the Dividend Discount group reads lowest at ¥3.97, and 15 of the 16 models stay below the price. Data coverage for this calculation is high.

Scenario range: ¥6.04 (bear) to ¥6.98 (bull), the price of ¥22.98 sits above it. Bear and bull are the same models on cautious and optimistic assumptions, a range, not a price target.

Quality & growth

The Quality Score stands at 65/100 (solid quality), in the Industrials sector.

Weak Growth: Revenue growth is weak: less than 2 % a year.

Keysino Separation Technology Inc reported revenue of 208M CNY in FY2025 versus 228M CNY in FY2021, a compound −2.2%/yr. Reported net income was 27.2M CNY in FY2025, compounding −13.2%/yr from FY2021.

Key figures

Market cap 1.5B CNY (≈ $220M) Micro · P/E ratio 255.3 · P/S ratio 7.98 · EPS (TTM) ¥0.0900 · Dividend yield 3.2% · Net margin 3.1% · Return on equity 0.9% · Return on assets (EBIT) 2.6% (5-year average).

Competitive moat

Our AI-assisted moat analysis scores the competitive advantage at 41 out of 100 (low confidence).

What moves the price

The share trades about 46% below its 52-week high and at its 52-week low, currently below its 200-day average.

For context, the median of 10 Industrials peers we cover trades at −25% fair-value upside, at −70%, 300899 screens richer than that median.

Fair Value models

Bear ¥6.04 Fair Value ¥6.86 Bull ¥6.98
Price ¥22.98 · Downside -70.1%
Model ⓘEach model values the company its own way (discounted cash flow, earnings, assets, dividends). The fair value above starts from their evidence-weighted blend, not from a single model. In cyclical trough or peak years, after dilution or a stock split it is adjusted afterwards, so it can sit above or below the models. Bear ⓘBear = the cautious scenario: the same model computed with conservative anchors (lower growth, margins and valuation multiples). Together with Bull it frames a plausible valuation range, not a price target.BaseBull ⓘBull = the optimistic scenario: the same model computed with favourable anchors (higher growth, margins and valuation multiples). Together with Bear it frames a plausible valuation range, not a price target. If a model's bull case is above four times its base value, the table shows that limit with a > sign (like the overall Bull above): beyond it no assumption holds. Coverage ⓘCoverage = how well-backed THIS model's estimate is for this stock (0–100): how complete and reliable its input data are, and how well the model fits the company. The final Fair Value is an evidence-weighted blend, so better-evidenced models count more. Green ≥70, amber 50–69, grey below 50.
Best data coverage
Owner Earnings ¥6.04 ¥6.20 ¥6.39 78
Residual Income ¥6.96 ¥6.86 ¥6.98 76
EPV ¥7.98 ¥8.29 ¥8.55 74
All 16 models by family
DCF Models
Owner Earnings ¥6.04 ¥6.20 ¥6.39 78
Earnings-Based
Graham-Dodd ¥2.90 ¥6.55 ¥8.38 65
PEG = 1.0 ¥1.07 ¥1.53 ¥1.99 57
EPV ¥7.98 ¥8.29 ¥8.55 74
Dividend Discount
Gordon GGM ¥2.83 ¥4.11 ¥5.27 69
DDM Multi-Stage ¥2.83 ¥3.83 ¥4.75 67
Multiples
P/E Multiple ¥6.73 ¥8.97 ¥11.21 63
P/S Multiple ¥4.90 ¥6.53 ¥8.16 58
P/B Multiple ¥21.26 ¥28.34 ¥35.43 55
EV/EBIT ¥11.15 ¥13.03 ¥14.91 66
EV/EBITDA ¥11.38 ¥13.33 ¥15.29 67
EV/Revenue ¥9.54 ¥11.26 ¥12.99 54
Asset-Based
NCAV (Graham) ¥5.37 ¥8.13 ¥10.17 54
Economic Profit
Residual Income ¥6.96 ¥6.86 ¥6.98 76
ROIC Compounder ¥7.98 ¥8.29 ¥8.55 72
Growth Earnings
Growth-Adj P/E ¥5.03 ¥7.19 ¥9.34 67

Open the full fair value analysis →

Quality Score breakdown

Overall quality 65/100

It rates the business: profits, how they develop, real cash, balance sheet, investing and share count.

Profitability 30
How much profit the company makes from its sales and capital
Quality Growth 98
Are margins and returns getting better?
Cashflow 0
Do the profits arrive as real cash?
Financial strength 100
Debt, balance sheet and risk of trouble
Investment 89
Does it invest with discipline instead of growing at any price?
Low Volatility 66
How calm the share price moves, does not count
Price momentum 25
Price momentum of the last 3 to 12 months, does not count
Near the 52-week high 10
Distance to the 52-week high, does not count
New shares 82
Buys back shares or issues new ones?

Open the full quality analysis →

Revenue & earnings trend

Growth Quality ⓘGrowth is valuable only when reinvestment earns attractive returns (Aswath Damodaran): sustainable growth depends on return on capital, reinvestment and efficiency. Basis: total company revenue over the periods shown on the cards (3Y/5Y/all years), not per share, so a merger can show up as a growth jump; per-share earnings growth is in the value-creation card. 29/100
Revenue growth is weak: less than 2 % a year.
Revenue growth 1 year
+155.1%
Revenue growth 3 years ⓘMeasures the company's TOTAL revenue from reported annual statements: compound average growth per year (CAGR) from the fiscal year 3, 5 or N years back to the most recent comparable fiscal year. Not per share: buybacks do not change this number, and a merger can appear as a growth jump. Per-share growth (which does include buybacks) is in the value-creation card.
+10.6%
Revenue growth 5 years ⓘMeasures the company's TOTAL revenue from reported annual statements: compound average growth per year (CAGR) from the fiscal year 3, 5 or N years back to the most recent comparable fiscal year. Not per share: buybacks do not change this number, and a merger can appear as a growth jump. Per-share growth (which does include buybacks) is in the value-creation card.
+1.9%
Start year 2020 (pandemic)
Revenue growth 9 years ⓘMeasures the company's TOTAL revenue from reported annual statements: compound average growth per year (CAGR) from the fiscal year 3, 5 or N years back to the most recent comparable fiscal year. Not per share: buybacks do not change this number, and a merger can appear as a growth jump. Per-share growth (which does include buybacks) is in the value-creation card.
+9.4%
What shareholders gained per year (last 5 years) ⓘWhat the business itself delivers per year: earnings growth per share plus the dividend yield. This is what you get IF the market keeps valuing the stock the same way: it contains no assumption about the market changing its mind. Computed per share, so buybacks count and a merger does not pass as growth. For a company that pays no dividend it is pure earnings growth per share. Period: earnings growth per share as CAGR over the last 5 reported fiscal years (annual statements), plus the current dividend yield. The start value is the median of the three years around the start, so a single crisis year (a pandemic or a write-down) does not distort the rate.
−7.5%
Earnings growth per share plus dividend.
Earnings per share, growth per year−10.7%
Dividend (yield on the price)3.2%
Profit margin 2020 to 2025 ⓘOperating margin then vs now, from reported annual statements. A falling margin after a boom year is the classic peak-earnings signal: the growth rate then leans on an inflated base.24% → 14%
⚠ Revenue per share shrinking 11.7%/yr over ~6Y (margins eroding too) ⓘStructural-decline marker: revenue PER SHARE has fallen over the last decade (robust median trend, not a single year). Backtested across 2005 to 2017, such businesses trailed the market by about 2.5 percentage points per year. Display only: it does not change the fair value or the quality score.

300899 screens overvalued: fair value 70% below the price. Compare with Waste Management, Inc →

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Peer GroupⓘHow this stock ranks against its industry: the green marker is this stock, the band is the typical 25–75% peer range, and the tick is the median.Waste Management · 155 stocks

Beats the industry median on 6/13 measures
A mixed picture versus its industry peers.
Valuation
Quality Score 65 · Top 25%
Fair Value upside −70.7% · Bottom 25%
Profitability
Return on equity (12 months) 0.9% · Below median
Return on assets 3.7% · Above median
Net margin (12 months) 3.1% · Below median
Operating margin (12 months) 24.4% · Top 25%
Growth and dividend
Revenue growth (quarter YoY) 75.4% · Top 25%
Dividend yield (12 months) 3.2% · Above median
Balance sheet
Debt / equity 0.00× · Lowest 25%

Valuation Multiplesvs Waste Management median · lower = cheaper

P/E (12 months) 255.3× · Priciest 25%
P/B 2.35× · Pricier than median
P/S (12 months) 7.98× · Priciest 25%
EV/EBITDA 76.4× · Priciest 25%

Strength profile in five axes (Snowflake)

VALUEFUTUREPASTHEALTHDIVIDEND
This stock
VALUEFUTUREPASTHEALTHDIVIDEND
Sector peers
VALUE (fair-value potential)0 · sector 35
FUTURE (revenue growth)100 · sector 37
PAST (return on equity)3 · sector 23
HEALTH (low debt)100 · sector 83
DIVIDEND (yield)63 · sector 52

VALUE 0: the price sits above our fair-value range.

Context: sector, industry, market

Values & ESG

Does this company touch areas you may want to avoid? The classification is inferred from sector and industry.

None of the checked exposures detected

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Keysino Separation Technology Inc: fair value per Fair Value Calculator

Cite: Fair Value Calculator (2026). "Keysino Separation Technology Inc Fair Value". https://www.fairvalue-calculator.com/stock/300899

Frequently asked questions

Is Keysino Separation Technology Inc (300899) overvalued or undervalued?
As of Nov 8, 2026, our model estimates a fair value of ¥6.86 versus a price of ¥22.98, about 70% lower (overvalued).
What is the fair value of 300899?
Our model-based fair value for Keysino Separation Technology Inc is ¥6.86 (as of Nov 8, 2026), built from audited fundamentals. The current price: ¥22.98.
What is the quality score of 300899?
Keysino Separation Technology Inc has a Quality Score of 65/100. It measures business quality (profitability, growth, cash flow, balance-sheet strength, investment discipline, share issuance). Market factors such as price momentum and volatility do not enter the number; they are shown separately in the detail view.
What is the price target for Keysino Separation Technology Inc (300899)?
Our model-based price target is the fair value of ¥6.86 (as of Nov 8, 2026) from 16 valuation models. Cautious scenario ¥6.04, optimistic scenario ¥6.98. It is a calculation from audited fundamentals, not an analyst target.
What is the Keysino Separation Technology Inc stock forecast for 2026?
Our models put fair value at ¥6.86, about 70% lower versus a price of ¥22.98 (overvalued). Cautious scenario ¥6.04, optimistic scenario ¥6.98. The calculation is refreshed regularly with new filings.
What is the revenue of Keysino Separation Technology Inc (300899)?
Keysino Separation Technology Inc reported trailing-twelve-month revenue of about 187M CNY (latest available figure, as of Nov 8, 2026).
Does Keysino Separation Technology Inc pay a dividend?
Keysino Separation Technology Inc currently shows a dividend yield of 3.22% relative to its recent price (as of Nov 8, 2026).
How much is the dividend of Keysino Separation Technology Inc (300899) and when is the ex-dividend date?
Keysino Separation Technology Inc pays a dividend of ¥0.74 per share a year, a dividend yield of 3.2%. The last ex-dividend date was Oct 19, 2026. A dividend has been paid every year since at least 2021. Our assessment: Pays more than it earns. The company pays out more in dividends than it earns, and free cash flow clearly does not cover the dividend either. It may need to be cut unless profits recover.
What is the intrinsic value of Keysino Separation Technology Inc (300899)?
Intrinsic value and fair value mean the same thing: what the business is worth on its numbers, independent of the share price. For Keysino Separation Technology Inc it is ¥6.86 per share (as of Nov 8, 2026), against a price of ¥22.98. It is the blended result of 16 valuation models in 7 families (DCF Models, Earnings-Based, Dividend Discount, Multiples, Asset-Based, Economic Profit, Growth Earnings).
Is Keysino Separation Technology Inc stock overvalued or undervalued in 2026?
As of Nov 8, 2026, 300899 trades above its calculated fair value: price ¥22.98, fair value ¥6.86, a gap of about −70% (overvalued). The calculation is refreshed with each new quarterly report, so the verdict can change during the year.
Is fair value the same as the market price of 300899?
No. The price is what the market pays today (¥22.98); the fair value is what the company's own numbers justify (¥6.86). For Keysino Separation Technology Inc the two are ¥16.12 per share apart. That gap is exactly why we show both numbers side by side.
How much is Keysino Separation Technology Inc worth?
The market values Keysino Separation Technology Inc at about 1.5B CNY (market capitalisation, as of Nov 8, 2026). Per share that is ¥22.98; our models calculate a fair value of ¥6.86 per share.
What do the bullish and bearish scenarios say about 300899?
Our models span a range for Keysino Separation Technology Inc: cautious scenario ¥6.04, base ¥6.86, optimistic ¥6.98 per share (as of Nov 8, 2026, price ¥22.98). The range comes from different growth and margin assumptions, not from analyst opinions.
What is the P/E ratio of 300899?
Keysino Separation Technology Inc trades at a price-to-earnings ratio of 255.3 (as of Nov 8, 2026). A P/E on its own says little: it compares the price with ONE year of profit, while our fair value of ¥6.86 is built from several models across several years. Median P/E at fiscal year-end, 5 fiscal years (2020 to 2025), reported earnings: 65.6. Other multiples: P/B 2.4, P/S 8.0, EV/EBITDA 76.4.
How solid is the balance sheet of Keysino Separation Technology Inc (300899)?
Balance-sheet figures for Keysino Separation Technology Inc (as of Nov 8, 2026): return on equity 0.9%, debt of 0.00 per unit of equity. They feed the Quality Score of 65/100, which measures business quality independently of the share price.
How far is 300899 from its 52-week high?
Keysino Separation Technology Inc trades at ¥22.98, about 46% below its 52-week high of ¥42.92 and at the low of ¥22.98 (as of Nov 9, 2026). Distance from the high says nothing about value: that is what the fair value of ¥6.86 is for.
Which stocks are comparable to Keysino Separation Technology Inc?
From the same area (Industrials) we also value Waste Management, Inc, Republic Services, Inc, Waste Connections, Inc, Veolia Environnement SA, among others. Each of them has its own fair-value calculation on this site using the same models, so the comparison is like for like.
Is Keysino Separation Technology Inc stock attractive at the current price?
The data as of Nov 8, 2026: price ¥22.98, calculated fair value ¥6.86 (−70%), Quality Score 65/100, from 16 models. Whether that fits your horizon and risk tolerance is your call. We provide the calculation, not investment advice.
How is the fair value of 300899 calculated?
We run Keysino Separation Technology Inc through 16 models from 7 families: DCF Models, Earnings-Based, Dividend Discount, Multiples, Asset-Based, Economic Profit, Growth Earnings. Every model gets the same audited fundamentals; the fair value of ¥6.86 builds on their evidence-weighted average, with the spread shown as a cautious and an optimistic scenario.
Is it still worth investing in stocks now?
The global stock market currently sits 13.3% above its aggregate fair value. Keysino Separation Technology Inc itself currently trades above fair value. An expensive market is no reason to stay out and no reason to buy everything at once: keep a broad savings plan running, buy single stocks only with money you can do without, and hold part of your money liquid while the market is high. The full picture including sectors is on is it worth investing now.
What is the share price of Keysino Separation Technology Inc (300899)?
The closing price on Nov 9, 2026 was ¥22.98. Our model-based fair value is ¥6.86, about 70% lower (overvalued). We carry closing prices from our data provider, not a live tick.
What should I pay attention to with Keysino Separation Technology Inc right now?
The price sits above even our optimistic bull case (¥6.98). The favourable scenario is already priced in. Solid but not exceptional quality (65/100) and above fair value, neither a clear bargain nor a standout compounder.

Key figures of Keysino Separation Technology Inc

How large is the market capitalisation of Keysino Separation Technology Inc (300899)?
The market capitalisation of Keysino Separation Technology Inc is 1.5B CNY (≈ $220M). The stock-market value of the whole company: share price times number of shares. It is what the market asks for the entire business today.
What is the P/S ratio of Keysino Separation Technology Inc (300899)?
The price-to-sales ratio of Keysino Separation Technology Inc is 7.98 (last twelve months). Price to sales: market value relative to yearly revenue. Useful when profit is thin or distorted.
What are the earnings per share of Keysino Separation Technology Inc (300899)?
Earnings per share at Keysino Separation Technology Inc are ¥0.0900 (price ÷ EPS = P/E 255.3). Earnings per share over the last twelve months: total profit spread across every single share.
What is the dividend yield of Keysino Separation Technology Inc (300899)?
The dividend yield of Keysino Separation Technology Inc is 3.2%. Yearly dividend relative to the share price. 3% pays 3 per 100 invested. Below: how much of profit is used for it.
What is the net margin of Keysino Separation Technology Inc (300899)?
The net margin of Keysino Separation Technology Inc is 3.1% (last twelve months). How much of every unit of revenue ends up as profit. 10% means 10 cents of profit per dollar of sales.
What is the return on equity of Keysino Separation Technology Inc (300899)?
The return on equity (ROE) of Keysino Separation Technology Inc is 0.9% (last twelve months). Profit relative to shareholders' equity, how efficiently the company works with its owners' money.
What is the EBIT return on assets of Keysino Separation Technology Inc (300899)?
On an EBIT basis the return on assets of Keysino Separation Technology Inc is 2.6% (avg 5y). Operating profit (EBIT) relative to everything the company owns, as a multi-year average. It describes the business model rather than one good or bad year.
What is the operating margin of Keysino Separation Technology Inc (300899)?
The operating margin of Keysino Separation Technology Inc is 24.4% (last twelve months). Profit from the core business (before interest and taxes) relative to revenue.
How fast is revenue growing at Keysino Separation Technology Inc (300899)?
Revenue at Keysino Separation Technology Inc is growing +75.4% versus a year earlier (3y avg +10.6%). How much revenue grew versus a year earlier (YoY). The 3-year average next to it puts the single year in context.
How fast are earnings growing at Keysino Separation Technology Inc (300899)?
Earnings per share at Keysino Separation Technology Inc are growing +64.8% versus a year earlier. How much earnings per share grew versus a year earlier.
How much free cash flow does Keysino Separation Technology Inc (300899) generate?
The free cash flow of Keysino Separation Technology Inc is −33.5M CNY (fiscal year 2025). The cash truly left after running and investing in the business, this is what pays dividends and buybacks.
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