With a median price-to-earnings (or "P/E") ratio of close to 29x in China, you could be forgiven for feeling indifferent about NCS Testing Technology Co., Ltd.'s (SZSE:300797) P/E ratio of 29.1x. However, investors might be overlooking a clear opportunity or potential setback if there is no rational basis for the P/E.

NCS Testing Technology has been doing a good job lately as it's been growing earnings at a solid pace. One possibility is that the P/E is moderate because investors think this respectable earnings growth might not be enough to outperform the broader market in the near future. If you like the company, you'd be hoping this isn't the case so that you could potentially pick up some stock while it's not quite in favour.

How Is NCS Testing Technology's Growth Trending?

NCS Testing Technology's P/E ratio would be typical for a company that's only expected to deliver moderate growth, and importantly, perform in line with the market.

Taking a look back first, we see that the company grew earnings per share by an impressive 16% last year. The strong recent performance means it was also able to grow EPS by 42% in total over the last three years. Therefore, it's fair to say the earnings growth recently has been superb for the company.

Comparing that to the market, which is predicted to deliver 38% growth in the next 12 months, the company's momentum is weaker based on recent medium-term annualised earnings results.

With this information, we find it interesting that NCS Testing Technology is trading at a fairly similar P/E to the market. It seems most investors are ignoring the fairly limited recent growth rates and are willing to pay up for exposure to the stock. They may be setting themselves up for future disappointment if the P/E falls to levels more in line with recent growth rates.

The Bottom Line On NCS Testing Technology's P/E

We'd say the price-to-earnings ratio's power isn't primarily as a valuation instrument but rather to gauge current investor sentiment and future expectations.

Our examination of NCS Testing Technology revealed its three-year earnings trends aren't impacting its P/E as much as we would have predicted, given they look worse than current market expectations. When we see weak earnings with slower than market growth, we suspect the share price is at risk of declining, sending the moderate P/E lower. Unless the recent medium-term conditions improve, it's challenging to accept these prices as being reasonable.

Before you take the next step, you should know about the 2 warning signs for NCS Testing Technology (1 is potentially serious!) that we have uncovered.

If P/E ratios interest you, you may wish to see this free collection of other companies with strong earnings growth and low P/E ratios.

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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.