Although the prospects for the domestic water pump industry are optimistic, there are also some unfavorable factors. The outlook for the water pump industry is optimistic, but there are also some unfavorable factors.

Firstly, in recent years, China's water pump industry has developed rapidly. Not only has the production level of pump valves greatly improved, but its output has also increased significantly. However, what is awkward is that small and medium-sized as well as private pump and valve enterprises have a relatively high growth rate and a relatively large proportion in this process. However, there are relatively few large pump and valve enterprises, and the domestic pump and valve industry has weak brand awareness and poor market competitiveness. From the current development status of the pump and valve industry, it is also facing the risk of phasing out outdated production capacity. The water pump industry has developed rapidly, with not only a significant improvement in the production level of pump valves, but also a significant increase in its output. However, what is awkward is that small and medium-sized as well as private pump and valve enterprises have a relatively high growth rate and a relatively large proportion in this process. However, there are relatively few large pump and valve enterprises, and the domestic pump and valve industry has weak brand awareness and poor market competitiveness. From the current development status of the pump and valve industry, it is also facing the risk of phasing out outdated production capacity.

Secondly, under the impact of the financial crisis, the market for steel, construction, and their upstream and downstream industries has sharply shrunk, which is undoubtedly a fatal blow to the pump and valve industry that relies on these industries for development. Although the financial crisis has had a negative impact on China's pump and valve industry to a certain extent, it has also exposed the internal drawbacks of the pump industry. Under the market economy system, survival of the fittest has been greatly improved. The internal drawbacks of the water pump industry have also been exposed, and under the market economy system, survival of the fittest has been greatly improved.

Thirdly, steel, as a raw material for the water pump industry, urgently needs to undergo transformation in the face of increasing environmental pressure. The steel industry will face the danger of reduced production, which will lead to an increase in steel prices in the short term, resulting in increased costs for the pump and valve industry. As environmental pressure gradually increases, the raw materials for the pump industry urgently need to be transformed. The steel industry will face the danger of reduced production, which will lead to an increase in steel prices in the short term, resulting in increased costs for the pump and valve industry and causing short-term price fluctuations. Therefore, the pump and valve industry will also be greatly affected.

Fourthly, the domestic sales market of China's water pump industry is very broad, while the export market is slightly weaker than the domestic sales market of the water pump industry.

In summary, the problems that submersible sewage pumps need to solve in the future are to improve their reliability, adapt to various working environments, optimize their structural design, and further improve their performance.