Jinan Homa Machinery Co., Ltd. radiates prestige as a paragon of precision and master craftsmanship in the iron foundry industry, continually elevating standards for excellence and expert practice!
Through our scrupulous selection of only the finest raw materials, combined with a relentless commitment to ongoing, rigorous quality inspections, we guarantee unparalleled excellence and superiority throughout each phase of our production process.
With an abundance of experience, unrivaled capacity, and a steadfast commitment to sustainable manufacturing, we blaze brightly as a dominant force and leader in the iron foundry sector.
Our expansive 80,000-square-meter facility is outfitted with cutting-edge workshops and the latest equipment. Our advanced furnaces and casting machines are expertly designed to manage a diverse range of orders with unparalleled precision.
Discover our vast array of cast-iron products, crafted for a wide variety of uses. Whether it's construction staples like drainage gratings and manhole covers, or machinery components such as transmission wheels and engine parts, we also offer water pump housings and umbrella bases. Our bespoke customization services enable us to fulfill exact material, size, shape, and performance specifications with precision.
At the core of our values lie quality and environmental responsibility. With ISO 9001, ISO 14001, and ISO 45001 certifications, we begin with premium, eco-friendly raw materials and meticulously oversee production to reduce waste and emissions. Our advanced inspections ensure our products not only surpass industry benchmarks but also achieve the lowest possible environmental footprint.
Our committed team offers a complete suite of services, ranging from pre-sale consultation and support to continuous updates on order status during sales, and providing warranties with prompt feedback post-sales, all of which nurture enduring partnerships.






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 |
Why choose us? Explore the compelling reasons that make us stand out as your ultimate choice!
Premium Quality Materials
We meticulously choose superior cast iron materials. This careful selection ensures our impellers possess remarkable strength and longevity, expertly resisting wear and corrosion even during extended operations in aquatic environments.
State-of-the-Art Casting Technology
By utilizing cutting-edge casting equipment and techniques, we exercise precise control over our casting process. This precision allows us to craft impellers with exact dimensions and smooth surfaces, significantly reducing the need for extensive post-processing, while guaranteeing optimal impeller performance.
Expert Workforce
Our team comprises exceptionally skilled and seasoned professionals in casting operations. Their profound expertise in water pump impeller production—from mold creation to casting and quality inspection—ensures each impeller's outstanding quality.
Meticulous Quality Assurance
Through an extensive quality control system, we subject each water pump impeller to multiple stringent inspections, including dimensional verification, material evaluation, and performance testing, ensuring only the highest quality products leave our facility.