It's not a stretch to say that China Aluminum International Engineering Corporation Limited's (SHSE:601068) price-to-sales (or "P/S") ratio of 0.6x right now seems quite "middle-of-the-road" for companies in the Construction industry in China, where the median P/S ratio is around 1x. While this might not raise any eyebrows, if the P/S ratio is not justified investors could be missing out on a potential opportunity or ignoring looming disappointment.

How Has China Aluminum International Engineering Performed Recently?

As an illustration, revenue has deteriorated at China Aluminum International Engineering over the last year, which is not ideal at all. It might be that many expect the company to put the disappointing revenue performance behind them over the coming period, which has kept the P/S from falling. If you like the company, you'd at least be hoping this is the case so that you could potentially pick up some stock while it's not quite in favour.

Do Revenue Forecasts Match The P/S Ratio?

The only time you'd be comfortable seeing a P/S like China Aluminum International Engineering's is when the company's growth is tracking the industry closely.

Retrospectively, the last year delivered a frustrating 7.5% decrease to the company's top line. This means it has also seen a slide in revenue over the longer-term as revenue is down 15% in total over the last three years. Therefore, it's fair to say the revenue growth recently has been undesirable for the company.

Comparing that to the industry, which is predicted to deliver 25% growth in the next 12 months, the company's downward momentum based on recent medium-term revenue results is a sobering picture.

With this in mind, we find it worrying that China Aluminum International Engineering's P/S exceeds that of its industry peers. It seems most investors are ignoring the recent poor growth rate and are hoping for a turnaround in the company's business prospects. There's a good chance existing shareholders are setting themselves up for future disappointment if the P/S falls to levels more in line with the recent negative growth rates.

The Key Takeaway

While the price-to-sales ratio shouldn't be the defining factor in whether you buy a stock or not, it's quite a capable barometer of revenue expectations.

We find it unexpected that China Aluminum International Engineering trades at a P/S ratio that is comparable to the rest of the industry, despite experiencing declining revenues during the medium-term, while the industry as a whole is expected to grow. When we see revenue heading backwards in the context of growing industry forecasts, it'd make sense to expect a possible share price decline on the horizon, sending the moderate P/S lower. Unless the recent medium-term conditions improve markedly, investors will have a hard time accepting the share price as fair value.

Before you settle on your opinion, we've discovered 2 warning signs for China Aluminum International Engineering that you should be aware of.

If strong companies turning a profit tickle your fancy, then you'll want to check out this free list of interesting companies that trade on a low P/E (but have proven they can grow earnings).

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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.