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1. At a Glance — A Plastic Machinery Company Quietly Trying to Become Something Much Bigger

There are companies that grow.

Then there are companies that mutate.

Rajoo Engineers may be attempting the second.

At first glance, it looks like a tiny industrial machinery company tucked away in Gujarat, making plastic extrusion equipment—hardly the sort of thing that excites speculative capital. Yet the numbers now look less sleepy than the business description.

Revenue has moved from ₹160 crore in FY23 to ₹344 crore in FY26. Profit has climbed from ₹11 crore to nearly ₹49 crore over the same period. ROCE stands around 24.5%. Debt-to-equity is still a mild 0.07 despite acquisition-led expansion.

But then things get interesting.

A ₹160 crore QIP.
A 60% acquisition of Kohli Printing.
An 80-acre advanced manufacturing park under development.
A Japanese machining investment increasing capacity 40%.
A packaging machinery company talking about ecosystem building.

That is no longer routine capex.
That is ambition.

And ambition in small industrials is where fortunes are either created… or diluted.

Question for readers:
When a disciplined small-cap suddenly raises equity and starts buying businesses, is that the beginning of rerating — or the first step toward empire building?

The market seems confused.

Stock down sharply from highs.
P/E around 22.5, below many industrial peers.
Yet growth metrics still look healthy.

That mismatch deserves inspection.

What makes the story more intriguing is management may actually have walked much of what they talked.

Go back to old concalls:

Management promised:

• 12–15% growth.
• Margin uplift.
• Capacity expansion.
• Higher value products.
• Solar extrusion optionality.
• Export-led profitable growth.

What happened?

Revenue grew much faster than guidance.
Margins expanded materially.
Capacity got expanded.
High-end product launches happened.
Order book rose.
Then came the Kohli acquisition.

That is unusually good walk-the-talk for a small-cap promoter.

But detectives know something:
When management executes too well, valuation often stops discounting reality and starts pricing dreams.

And dreams are where accidents happen.

Rajoo today sits in that fascinating zone:
Not obviously cheap.
Not obviously expensive.
Potentially early in transformation.
Potentially late in a narrative cycle.

Which is it?

Let us investigate.

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2. Introduction — Why This Tiny Capital Goods Company Is Suddenly Harder To Ignore

Industrial machinery stories usually bore people.

Which is often why they can make money.

Nobody wakes up saying:
“I must own an extrusion machinery manufacturer.”

But sometimes boring businesses hide extraordinary economics.

Rajoo operates in specialized plastic processing machinery—blown film lines, sheet lines, thermoforming systems, coating and lamination equipment.

Translation:
It sells the machines that help others make packaging.

The gold rush analogy:
Rajoo sells picks and shovels.

And historically, picks and shovels can be good businesses.

Especially when:

• repeat orders are high (~60%)
• export footprint spans 70 countries
• niche positioning protects margins
• customers depend on technology and service

Even CARE ratings acknowledges product diversification, healthy profitability and strong financial profile as strengths.

Then came the big shift.

Acquiring Kohli Printing does something important.

Earlier Rajoo sold part of packaging machinery stack.
Now it may serve broader converting and packaging equipment chain.

That changes wallet share.
Possibly economics.
Possibly market perception.

Question:
Is this still a machinery company?
Or slowly becoming a packaging equipment platform?

Very different valuation frameworks.

Because platform narratives trade richer.

Yet risks sit right there:

Inventory days have ballooned.
Cash conversion cycle sits above 300 days.
Working capital remains ugly.
Q4 FY26 quarterly profit collapsed sharply due margin compression.

That last part matters.

Quarterly sales were ₹79 crore.
PAT only ₹1.83 crore.
OPM collapsed below 2%.
That is not a rounding error.
That is a flashing light.

One quarter does not define business quality.
But it can expose operating leverage in reverse.

Industrial businesses can look wonderful on the way up.
Then remind you they are cyclical.

Like polite sharks.

So this story has both:

Compounding ingredients.
And classic industrial traps.

Which usually makes for the most interesting investments.

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3. Business Model — What Do They Actually Do?

Imagine you want to make flexible packaging.
Or industrial film.
Or plastic sheets.
Or specialty multilayer materials.

You need machines.

Rajoo sells those machines.

That is the business.

But not commodity machines.
Customized engineered systems.

And customized machinery businesses often have underrated advantages:

1. Switching costs.
   Customers do not casually replace mission-critical equipment suppliers.
2. Service tail.
   Installed base creates recurring spares/service economics.
3. Pricing power.
   Better than standard engineering products.
4. Export optionality.
   Technology travels.

Product spread:

• Blown film lines
• Sheet lines
• Thermoforming
• Extrusion coating
• PVC lines
• Cross lamination systems

26+ products across six segments.

That matters.
Because product breadth often lowers earnings fragility.

Then management has been shifting toward higher-ticket machines.

Very important.

Because selling fewer premium machines can sometimes beat selling many low-value machines.

Management openly said they may reduce low-ticket products