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Sand Casting Company | Local OEM Sand Casting Solutions

Sand Casting Company – Leesh Holdings is the leading metal casting enterprise dedicated to providing comprehensive sand casting solutions for global clients. As a trusted sand casting manufacturer and reliable sand casting supplier, we operate our own advanced sand casting factory to ensure full control over production quality and delivery timelines.

Sand Casting Company: OEM & Custom Capabilities

As a full-service Sand Casting Company, we specialize in OEM sand casting services tailored to your exact specifications. Our experienced engineering team works closely with you from design optimization to final production, ensuring your castings meet the highest performance standards. Whether you need small-batch prototypes or large-scale production runs, we have the flexibility and expertise to deliver results that exceed your expectations.

Sand Casting Company in China: Your Global Partner

Our Sand Casting Company in China combines advanced manufacturing technology with competitive pricing to offer exceptional value to clients worldwide. As a local sand casting company, we understand the unique needs of regional markets and provide personalized service that larger corporations cannot match. Our state-of-the-art facility is equipped with modern casting equipment and staffed by skilled technicians who take pride in their craft.

Quality Assurance & Global Delivery

We implement rigorous quality control measures at every stage of production, from raw material inspection to final testing. Our ISO-certified processes ensure consistent quality across all orders. We ship to clients in North America, Europe, Asia and beyond, with reliable logistics partners that guarantee on-time delivery. Contact us today to discuss your sand casting requirements.

Manufacturing Method	Sand Casting Company(Resin Sand, Procated Sand Stack Castings, Clay Sand, Water glass sand, Green Sand,lost foam )
Material Standard	GB, ANSI, BS, DIN, JIS, ASTM, ASME, AISI, etc carbon steel, low carbon steel, middle carbon steel, G35, G45, WCB, WCA, WCC, ISO 340-550, etc. Alloy Carbon steel: G25CrMo4, Heat Resistant Steel, etc. Stainless Steel: SUS 304, 304L, 316, 316L, CF8, CF8M, G-X7CrNiNb1189, etc. AS2074 or according to customer specific requirement. Ductile Iron:A536-Gr.60-40-18,GGG40,GGG50,FCD40,FCD50,Gr370-17,Gr420-12,etc Grey Iron:EN-GJL-250 Casting,A48-No.20,25,30,GG10,GG15,GG20,FC10,FC15,FC20,Grade 150,180,220,FGL150,FGL200,FGL250,etc
Weight Range	1 kg to 100 Tons
General Casting Tolerance	CT8-CT12
Design Software	UG, Pro-E, Inventor
Dwg Format	STP, STEP, IGS,STP,X_T ,DXF,DWG , Pro/E, PDF, SLDPRT
Mould Manufacturing	Yes
Casting Stimulation	Yes
Ultimate machining tolerance	0.005mm
Quality Control	RT,UT,MT,PT,CMM,SCAN,Chemical and Mechanical Property Testing,Spectrometer,etc
Finish Roughness	Ra12.5-Ra25 according to customer requirement
Logo/ID	Silk-screening, Laser Marking, Engrave,Painting
Heat Treatment	Normalization, Annealing, Quenching and Tempering, Case Hardening, Nitriding, Carbon Nitriding, Induction Quenching,etc
Surface Treatment	Shot/sand blast, Polishing, Surface Passivation, Painting , Anodizing,Powder coating, ED- Coating, Chrome Plating, zinc-plate, Dacromat coating, Finish Painting,hot-dip galvanizing, etc

Common FAQs About Leesh Sand Casting

1. What is sand casting?

Sand casting is a casting method that uses sand as the molding material to produce castings. It is widely used due to its advantages such as readily available and low-cost materials, simple equipment, easy operation, and no restrictions on casting alloy types, shapes, sizes, or production scales.

2. What materials can Leesh supply for sand casting?

Leesh provides various materials including Carbon Steel, Alloy Steel, Stainless Steel, Grey Iron, and Ductile Iron. These materials comply with international and national standards such as ASTM, SAE, AISI, ACI, DIN, EN, ISO, and GB.

3. What is the weight range of castings Leesh can produce?

Cast Steel: 50Kg – 25,000Kg
Cast Iron: 0.1Kg – 3,000Kg

4. What sand casting processes does Leesh adopt?

For Cast Steel: Water glass sand, resin sand, coated resin sand (Hot-Box & Shell Molding)
For Cast Iron: Resin sand, green sand, coated resin sand (Hot-Box & Shell Molding)

5. What are the key technical specifications of Leesh’s Green sand casting?

Dimensional tolerance: CT8–CT12 (per ISO 8062)
Surface roughness: Ra 6.3–25 μm
Max part weight: 0.1 kg – 25,000 kg

6. Which industries does Leesh’s sand casting serve?

Leesh’s sand casting solutions are suitable for diverse industries including construction, machinery, automotive, and energy.

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