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Chifine has accumulated important and valuable experience in design, manufacturing and customer service over these years We will continue to integrate our technical superiority, improve process and quality to increase market share and create more brilliant future.
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Qingdao Chifine Machinery specializes in municipal machinery part casting, with a focus on ductile iron and grey iron bench legs for outdoor public spaces. Our bench legs are produced via sand casting, with ISO9001:2015 certification, and feature a three-time surface painting process for anti-corrosion—critical for outdoor use. We support customization based on customer drawings, samples, or specifications, and use automotive molding machines to ensure consistent quality and a monthly casting capacity of 1500 tons.
Durable Material Selection: We focus on ductile iron and grey iron for bench legs. Ductile iron provides excellent impact resistance (to withstand accidental collisions in public spaces), while grey iron offers high rigidity (to support multiple users). Both materials are ideal for outdoor applications due to their natural durability.
Anti-Corrosion Surface Treatment: We apply a three-time surface painting process (or optional powder coating) to bench legs. This multi-layer treatment forms a barrier against rain, UV rays, and air pollutants, preventing rust and fading and extending service life in outdoor environments.
Precision Post-Casting Machining: Post-casting processes include turning, milling, grinding, drilling, reaming, and threading. These processes ensure bench legs have precise mounting holes and smooth surfaces, allowing seamless assembly with seat panels and stable installation in public spaces.
Flexible Design Capability: We use software like PRO/E, AutoCAD, UG, and Solidwork 2008 for flow analysis to create custom bench leg designs. Options include decorative patterns (for park aesthetics) or minimalist styles (for urban streets), ensuring bench legs match municipal design themes.
Efficient Production Process: We use automotive molding machines to boost production efficiency. These machines ensure consistent mold quality and fast casting cycles, enabling timely delivery even for large municipal projects (e.g., city-wide park renovations).
Park bench legs need to blend with natural surroundings; we offer powder coating in earthy tones (green, brown) and decorative cast patterns (e.g., leaf motifs). The earthy colors complement park landscapes, while decorative patterns enhance aesthetic appeal. The anti-corrosion coating also resists rain and humidity common in garden environments.
Street benches face heavy foot traffic and pollution; we use ductile iron bench legs with thick anti-corrosion paint. Ductile iron’s impact resistance prevents damage from accidental collisions (e.g., pedestrians, bicycles), and the thick paint layer resists air pollutants (e.g., exhaust fumes) that can cause fading or rust.
Large public spaces require sturdy, high-capacity benches; we produce heavy-duty grey iron bench legs with reinforced structures. The reinforced design supports multiple users (up to 5-6 adults) without bending, and grey iron’s rigidity ensures long-term stability. We also offer wide mounting options to match large seat panels common in plazas.
Coastal benches are exposed to saltwater spray; we apply extra layers of zinc plating under paint to bench legs. Zinc plating provides an additional corrosion barrier against saltwater, preventing rust and maintaining structural integrity. The combination of zinc plating and paint ensures bench legs withstand coastal weather conditions for years.
Our engineering team adjusts bench leg designs for weight distribution and stability. For example, we widen the base of bench legs to prevent tipping in high-traffic areas and add drainage holes to avoid water accumulation (which can cause rust). These optimizations ensure bench legs are safe and durable in public spaces.
We use hardness testers to verify material strength (ensuring bench legs can support heavy loads), dimension gauges to check mounting hole accuracy (for easy assembly), and corrosion resistance tests (exposing samples to simulated rain/UV for 1000+ hours) to validate coating performance. These tests ensure bench legs meet municipal quality standards.
We advise on material choice between ductile iron and grey iron based on bench location and expected use. For high-traffic areas (e.g., street sidewalks), we recommend ductile iron for impact resistance. For low-traffic, aesthetic-focused areas (e.g., park gardens), we suggest grey iron for rigidity and design flexibility.
We accept small to large orders, from a few benches for community parks to thousands for city-wide municipal projects. We also offer customizations like logo engraving (for municipal branding) or color matching (to align with local design guidelines), ensuring bench legs meet specific project requirements.
We provide shorter lead times for mold and sample development—typically 7-10 days for samples and 2-3 weeks for mold production. This accelerated timeline helps municipal authorities meet tight project deadlines (e.g., completing park renovations before summer or festival seasons).
We use pallets for packaging to prevent damage during transit. Pallets are stackable, reducing shipping costs for large orders, and each bench leg is wrapped in protective film to avoid scratches. Our logistics team coordinates with municipal suppliers to deliver parts directly to installation sites, simplifying the supply chain.


Qingdao Chifine Machinery specializes in municipal machinery part casting, with a focus on ductile iron and grey iron bench legs for outdoor public spaces. Our bench legs are produced via sand casting, with ISO9001:2015 certification, and feature a three-time surface painting process for anti-corrosion—critical for outdoor use. We support customization based on customer drawings, samples, or specifications, and use automotive molding machines to ensure consistent quality and a monthly casting capacity of 1500 tons.
Durable Material Selection: We focus on ductile iron and grey iron for bench legs. Ductile iron provides excellent impact resistance (to withstand accidental collisions in public spaces), while grey iron offers high rigidity (to support multiple users). Both materials are ideal for outdoor applications due to their natural durability.
Anti-Corrosion Surface Treatment: We apply a three-time surface painting process (or optional powder coating) to bench legs. This multi-layer treatment forms a barrier against rain, UV rays, and air pollutants, preventing rust and fading and extending service life in outdoor environments.
Precision Post-Casting Machining: Post-casting processes include turning, milling, grinding, drilling, reaming, and threading. These processes ensure bench legs have precise mounting holes and smooth surfaces, allowing seamless assembly with seat panels and stable installation in public spaces.
Flexible Design Capability: We use software like PRO/E, AutoCAD, UG, and Solidwork 2008 for flow analysis to create custom bench leg designs. Options include decorative patterns (for park aesthetics) or minimalist styles (for urban streets), ensuring bench legs match municipal design themes.
Efficient Production Process: We use automotive molding machines to boost production efficiency. These machines ensure consistent mold quality and fast casting cycles, enabling timely delivery even for large municipal projects (e.g., city-wide park renovations).
Park bench legs need to blend with natural surroundings; we offer powder coating in earthy tones (green, brown) and decorative cast patterns (e.g., leaf motifs). The earthy colors complement park landscapes, while decorative patterns enhance aesthetic appeal. The anti-corrosion coating also resists rain and humidity common in garden environments.
Street benches face heavy foot traffic and pollution; we use ductile iron bench legs with thick anti-corrosion paint. Ductile iron’s impact resistance prevents damage from accidental collisions (e.g., pedestrians, bicycles), and the thick paint layer resists air pollutants (e.g., exhaust fumes) that can cause fading or rust.
Large public spaces require sturdy, high-capacity benches; we produce heavy-duty grey iron bench legs with reinforced structures. The reinforced design supports multiple users (up to 5-6 adults) without bending, and grey iron’s rigidity ensures long-term stability. We also offer wide mounting options to match large seat panels common in plazas.
Coastal benches are exposed to saltwater spray; we apply extra layers of zinc plating under paint to bench legs. Zinc plating provides an additional corrosion barrier against saltwater, preventing rust and maintaining structural integrity. The combination of zinc plating and paint ensures bench legs withstand coastal weather conditions for years.
Our engineering team adjusts bench leg designs for weight distribution and stability. For example, we widen the base of bench legs to prevent tipping in high-traffic areas and add drainage holes to avoid water accumulation (which can cause rust). These optimizations ensure bench legs are safe and durable in public spaces.
We use hardness testers to verify material strength (ensuring bench legs can support heavy loads), dimension gauges to check mounting hole accuracy (for easy assembly), and corrosion resistance tests (exposing samples to simulated rain/UV for 1000+ hours) to validate coating performance. These tests ensure bench legs meet municipal quality standards.
We advise on material choice between ductile iron and grey iron based on bench location and expected use. For high-traffic areas (e.g., street sidewalks), we recommend ductile iron for impact resistance. For low-traffic, aesthetic-focused areas (e.g., park gardens), we suggest grey iron for rigidity and design flexibility.
We accept small to large orders, from a few benches for community parks to thousands for city-wide municipal projects. We also offer customizations like logo engraving (for municipal branding) or color matching (to align with local design guidelines), ensuring bench legs meet specific project requirements.
We provide shorter lead times for mold and sample development—typically 7-10 days for samples and 2-3 weeks for mold production. This accelerated timeline helps municipal authorities meet tight project deadlines (e.g., completing park renovations before summer or festival seasons).
We use pallets for packaging to prevent damage during transit. Pallets are stackable, reducing shipping costs for large orders, and each bench leg is wrapped in protective film to avoid scratches. Our logistics team coordinates with municipal suppliers to deliver parts directly to installation sites, simplifying the supply chain.

