Proudly standing as a dedicated beacon of precision and craftsmanship in the iron foundry industry, Jinan Homa Machinery Co., Ltd.'s expertise is truly unmatched and exceptional, making us a revered leader in the domain of ironwork excellence!
By meticulously selecting only the finest quality raw materials and implementing continuous, rigorous quality inspections, we guarantee excellence at every stage, ensuring that each product reflects our commitment to superior craftsmanship and durability.
With our wealth of experience, outstanding capacity, and unwavering commitment to eco-friendly manufacturing, Jinan Homa Machinery Co., Ltd. shines as a leading professional iron foundry, consistently delivering products that marry innovation with environmental responsibility.
Spanning an impressive 80,000-square-meter area, our factory is equipped with modern workshops and cutting-edge equipment, including state-of-the-art furnaces and casting machines. These facilities are tailored for handling a diverse array of orders with precision, ensuring meticulous attention to detail in every casting endeavor.
We proudly offer an extensive range of cast-iron products perfect for various applications: construction essentials like drainage gratings and manhole covers, machinery parts such as transmission wheels and engine components, and versatile uses including water pump housings and umbrella bases. Our exceptional customization capabilities allow us to precisely cater to specific material, size, shape, and performance requirements, tailoring solutions that meet and exceed client expectations.
Quality and eco-consciousness are the cornerstones of our core values at Jinan Homa Machinery Co., Ltd. Accredited with ISO 9001, ISO 14001, and ISO 45001 certifications, we begin with premium, eco-friendly raw materials and rigorously supervise production to minimize waste and emissions. Our advanced inspections ensure our products not only surpass industry standards but also achieve the lowest possible environmental impact, setting a benchmark for sustainable manufacturing.
Our dedicated team offers a comprehensive suite of services, including pre-sale consultation and support, continuous updates on order status during sales, and providing warranties along with prompt feedback post-sales. These services are instrumental in nurturing long-term partnerships, fostering trust and reliability with our esteemed clientele.






Parameter |
Details |
Material |
Gray cast iron (HT250) |
Outer diameter |
200 - 500 mm (depending on the pump model) |
Inner diameter (hub) |
50 - 150 mm |
Blade number |
4 - 8 |
Blade thickness |
5 - 15 mm |
Blade shape |
Backward - curved or radial |
Blade angle (relative to the tangent of the rotation circle) |
20 - 40 degrees |
Surface roughness (Ra) |
1.6 - 6.3 μm |
Weight |
5 - 20 kg |
Maximum rotational speed |
1000 - 3000 rpm |
Tolerance of outer diameter |
± 0.5 - ± 2 mm |
Tolerance of inner diameter |
± 0.3 - ± 1 mm |
Tolerance of blade thickness |
± 0.2 - ± 1 mm |
Balance grade |
G2.5 - G6.3 |
Maximum working temperature |
- 20 - 200 °C |
What makes us the ideal choice? Discover the compelling reasons why Jinan Homa Machinery Co., Ltd. is your perfect partner for all iron casting needs, where quality meets reliability.
Premium Quality Materials
We meticulously select top-grade cast iron materials, a stringent selection process that ensures our impellers possess exceptional strength and durability. These impellers expertly resist wear and corrosion during extended operations in aquatic environments, standing as a testament to our commitment to quality and endurance.
State-of-the-Art Casting Technology
By harnessing advanced casting equipment and techniques, we achieve precise control over our casting process. This precision enables us to produce impellers with exact dimensions and smooth surfaces, minimizing the need for extensive post-processing while ensuring optimal impeller performance, thereby enhancing efficiency and longevity.
Expert Workforce
Our workforce is composed of highly skilled and experienced professionals in casting operations. Their profound understanding of water pump impeller production—from mold creation to casting and quality inspection—ensures each impeller's superior quality, underscoring our dedication to excellence in every aspect of production.
Meticulous Quality Assurance
Utilizing a thorough quality control system, we subject every water pump impeller to multiple rigorous inspections, including dimensional verification, material assessment, and performance testing. This ensures that only top-quality products leave our facility, reinforcing our unwavering dedication to perfection and customer satisfaction.