David Iben put it well when he said, 'Volatility is not a risk we care about. What we care about is avoiding the permanent loss of capital.' When we think about how risky a company is, we always like to look at its use of debt, since debt overload can lead to ruin. We note that Lens Technology Co., Ltd. (SZSE:300433) does have debt on its balance sheet. But the more important question is: how much risk is that debt creating?

When Is Debt A Problem?

Generally speaking, debt only becomes a real problem when a company can't easily pay it off, either by raising capital or with its own cash flow. If things get really bad, the lenders can take control of the business. While that is not too common, we often do see indebted companies permanently diluting shareholders because lenders force them to raise capital at a distressed price. Of course, plenty of companies use debt to fund growth, without any negative consequences. The first step when considering a company's debt levels is to consider its cash and debt together.

What Is Lens Technology's Debt?

You can click the graphic below for the historical numbers, but it shows that Lens Technology had CN¥14.5b of debt in June 2024, down from CN¥16.4b, one year before. On the flip side, it has CN¥7.99b in cash leading to net debt of about CN¥6.54b.

How Healthy Is Lens Technology's Balance Sheet?

Zooming in on the latest balance sheet data, we can see that Lens Technology had liabilities of CN¥17.7b due within 12 months and liabilities of CN¥10.3b due beyond that. Offsetting these obligations, it had cash of CN¥7.99b as well as receivables valued at CN¥8.90b due within 12 months. So its liabilities total CN¥11.1b more than the combination of its cash and short-term receivables.

Since publicly traded Lens Technology shares are worth a very impressive total of CN¥101.0b, it seems unlikely that this level of liabilities would be a major threat. However, we do think it is worth keeping an eye on its balance sheet strength, as it may change over time.

In order to size up a company's debt relative to its earnings, we calculate its net debt divided by its earnings before interest, tax, depreciation, and amortization (EBITDA) and its earnings before interest and tax (EBIT) divided by its interest expense (its interest cover). The advantage of this approach is that we take into account both the absolute quantum of debt (with net debt to EBITDA) and the actual interest expenses associated with that debt (with its interest cover ratio).

Lens Technology has net debt of just 0.88 times EBITDA, suggesting it could ramp leverage without breaking a sweat. And remarkably, despite having net debt, it actually received more in interest over the last twelve months than it had to pay. So there's no doubt this company can take on debt while staying cool as a cucumber. The modesty of its debt load may become crucial for Lens Technology if management cannot prevent a repeat of the 30% cut to EBIT over the last year. Falling earnings (if the trend continues) could eventually make even modest debt quite risky. The balance sheet is clearly the area to focus on when you are analysing debt. But ultimately the future profitability of the business will decide if Lens Technology can strengthen its balance sheet over time. So if you're focused on the future you can check out this free report showing analyst profit forecasts.

Finally, while the tax-man may adore accounting profits, lenders only accept cold hard cash. So it's worth checking how much of that EBIT is backed by free cash flow. Happily for any shareholders, Lens Technology actually produced more free cash flow than EBIT over the last two years. There's nothing better than incoming cash when it comes to staying in your lenders' good graces.

Our View

Lens Technology's interest cover suggests it can handle its debt as easily as Cristiano Ronaldo could score a goal against an under 14's goalkeeper. But the stark truth is that we are concerned by its EBIT growth rate. All these things considered, it appears that Lens Technology can comfortably handle its current debt levels. On the plus side, this leverage can boost shareholder returns, but the potential downside is more risk of loss, so it's worth monitoring the balance sheet. There's no doubt that we learn most about debt from the balance sheet. However, not all investment risk resides within the balance sheet - far from it. Be aware that Lens Technology is showing 2 warning signs in our investment analysis , you should know about...

At the end of the day, it's often better to focus on companies that are free from net debt. You can access our special list of such companies (all with a track record of profit growth). It's free.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.