The China Pipe Group Limited (HKG:380) share price has done very well over the last month, posting an excellent gain of 31%. Longer-term shareholders would be thankful for the recovery in the share price since it's now virtually flat for the year after the recent bounce.

In spite of the firm bounce in price, China Pipe Group's price-to-earnings (or "P/E") ratio of 2.3x might still make it look like a strong buy right now compared to the market in Hong Kong, where around half of the companies have P/E ratios above 9x and even P/E's above 18x are quite common. Although, it's not wise to just take the P/E at face value as there may be an explanation why it's so limited.

The earnings growth achieved at China Pipe Group over the last year would be more than acceptable for most companies. One possibility is that the P/E is low because investors think this respectable earnings growth might actually underperform 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 out of favour.

How Is China Pipe Group's Growth Trending?

China Pipe Group's P/E ratio would be typical for a company that's expected to deliver very poor growth or even falling earnings, and importantly, perform much worse than the market.

Retrospectively, the last year delivered an exceptional 19% gain to the company's bottom line. The latest three year period has also seen an excellent 62% overall rise in EPS, aided by its short-term performance. So we can start by confirming that the company has done a great job of growing earnings over that time.

Comparing that to the market, which is predicted to deliver 21% growth in the next 12 months, the company's momentum is weaker based on recent medium-term annualised earnings results.

In light of this, it's understandable that China Pipe Group's P/E sits below the majority of other companies. It seems most investors are expecting to see the recent limited growth rates continue into the future and are only willing to pay a reduced amount for the stock.

The Bottom Line On China Pipe Group's P/E

Shares in China Pipe Group are going to need a lot more upward momentum to get the company's P/E out of its slump. 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.

We've established that China Pipe Group maintains its low P/E on the weakness of its recent three-year growth being lower than the wider market forecast, as expected. At this stage investors feel the potential for an improvement in earnings isn't great enough to justify a higher P/E ratio. If recent medium-term earnings trends continue, it's hard to see the share price rising strongly in the near future under these circumstances.

Having said that, be aware China Pipe Group is showing 2 warning signs in our investment analysis, you should know about.

It's important to make sure you look for a great company, not just the first idea you come across. So take a peek at this free list of interesting companies with strong recent earnings growth (and a low P/E).

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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.