Those holding Chengdu Xinzhu Road&Bridge Machinery Co.,LTD (SZSE:002480) shares would be relieved that the share price has rebounded 29% in the last thirty days, but it needs to keep going to repair the recent damage it has caused to investor portfolios. Unfortunately, the gains of the last month did little to right the losses of the last year with the stock still down 22% over that time.

Even after such a large jump in price, Chengdu Xinzhu Road&Bridge MachineryLTD may still be sending buy signals at present with its price-to-sales (or "P/S") ratio of 1.8x, considering almost half of all companies in the Machinery industry in China have P/S ratios greater than 2.8x and even P/S higher than 5x aren't out of the ordinary. However, the P/S might be low for a reason and it requires further investigation to determine if it's justified.

How Chengdu Xinzhu Road&Bridge MachineryLTD Has Been Performing

Chengdu Xinzhu Road&Bridge MachineryLTD has been doing a good job lately as it's been growing revenue at a solid pace. It might be that many expect the respectable revenue performance to degrade substantially, which has repressed the P/S. If that doesn't eventuate, then existing shareholders have reason to be optimistic about the future direction of the share price.

Do Revenue Forecasts Match The Low P/S Ratio?

There's an inherent assumption that a company should underperform the industry for P/S ratios like Chengdu Xinzhu Road&Bridge MachineryLTD's to be considered reasonable.

Retrospectively, the last year delivered an exceptional 21% gain to the company's top line. However, this wasn't enough as the latest three year period has seen the company endure a nasty 32% drop in revenue in aggregate. So unfortunately, we have to acknowledge that the company has not done a great job of growing revenues over that time.

In contrast to the company, the rest of the industry is expected to grow by 27% over the next year, which really puts the company's recent medium-term revenue decline into perspective.

In light of this, it's understandable that Chengdu Xinzhu Road&Bridge MachineryLTD's P/S would sit below the majority of other companies. However, we think shrinking revenues are unlikely to lead to a stable P/S over the longer term, which could set up shareholders for future disappointment. There's potential for the P/S to fall to even lower levels if the company doesn't improve its top-line growth.

The Bottom Line On Chengdu Xinzhu Road&Bridge MachineryLTD's P/S

The latest share price surge wasn't enough to lift Chengdu Xinzhu Road&Bridge MachineryLTD's P/S close to the industry median. Typically, we'd caution against reading too much into price-to-sales ratios when settling on investment decisions, though it can reveal plenty about what other market participants think about the company.

It's no surprise that Chengdu Xinzhu Road&Bridge MachineryLTD maintains its low P/S off the back of its sliding revenue over the medium-term. Right now shareholders are accepting the low P/S as they concede future revenue probably won't provide any pleasant surprises either. Given the current circumstances, it seems unlikely that the share price will experience any significant movement in either direction in the near future if recent medium-term revenue trends persist.

There are also other vital risk factors to consider before investing and we've discovered 1 warning sign for Chengdu Xinzhu Road&Bridge MachineryLTD that you should be aware of.

It's important to make sure you look for a great company, not just the first idea you come across. So if growing profitability aligns with your idea of a great company, 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.