Jinan Homa Machinery Co., Ltd. is a beacon of unsurpassed precision and unmatched mastery in the iron foundry industry, setting the gold standard for extraordinary craftsmanship and industry-leading expertise.
Our unwavering pursuit of excellence drives us to meticulously handpick only the finest raw materials, coupled with a steadfast dedication to conducting relentless and rigorous quality inspections, ensuring superior quality throughout every phase of our production journey.
Supported by extensive experience and unparalleled production capacity, we are a leading beacon in the iron foundry domain, dedicated to eco-friendly manufacturing practices that distinguish us in the industry.
Our sprawling 80,000-square-meter facility is equipped with modern workshops and state-of-the-art machinery, including cutting-edge furnaces and casting machines, designed to handle a wide spectrum of orders with impeccable precision.
Our comprehensive range of cast-iron products is customized for diverse applications, from essential construction items like drainage gratings and manhole covers to intricate machinery parts such as transmission wheels, engine components, water pump housings, and umbrella bases. Our exceptional customization capabilities allow us to meet specific material, size, shape, and performance requirements with precision.
At the heart of our values lie quality and environmental consciousness. Holding ISO 9001, ISO 14001, and ISO 45001 certifications, we start with premium, eco-friendly raw materials and closely monitor production to minimize waste and emissions. Our advanced inspections ensure our products exceed industry standards while achieving minimal environmental impact.
Our devoted team offers a comprehensive suite of services that includes pre-sale consultation and support, ongoing updates on order status during sales, and warranties with responsive post-sales feedback, fostering 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 |
Discover the compelling reasons that make us the ultimate choice and explore what sets us apart from the rest!
Premium Quality Materials
By carefully selecting top-tier cast iron materials, we ensure our impellers possess exceptional strength and durability, effectively resisting wear and corrosion, even during prolonged use in aquatic environments.
State-of-the-Art Casting Technology
Employing advanced casting equipment and techniques, we maintain precise control over the casting process. This meticulous accuracy enables us to produce impellers with exact dimensions and smooth surfaces, minimizing extensive post-processing and optimizing performance.
Expert Workforce
Our team comprises highly skilled and seasoned professionals, experts in casting operations. Their deep expertise in water pump impeller production—from mold creation to casting and quality inspection—ensures the exceptional quality of each impeller.
Meticulous Quality Assurance
Through a comprehensive quality control system, we conduct multiple rigorous inspections on every water pump impeller, including dimensional verification, material assessment, and performance testing, ensuring only the finest products leave our facility.