Are you searching for a reliable, high-quality China casting supplier?
Leesh Holdings foundries provide comprehensive metal casting services, delivering components made from durable materials like steel, iron, ductile iron, and chrome.
We leverage extensive experience and a robust supply chain to offer superior quality and cost-effective solutions for your global manufacturing needs.
Our commitment to international standards ensures your products meet precise specifications, offering peace of mind and reducing long-term maintenance costs.
For ask for a quotation , please send your enquiry to sales@leesh.cn, our specialist will give you feedbac at the first time.
The Benefits of Partnering with a China Casting Supplier
Choosing a manufacturing partner in China offers compelling advantages. The primary benefit is often a significant reduction in production costs due to economies of scale and efficient labor markets. This cost efficiency, however, does not compromise quality, as our skilled workforce is adept at delivering precise, high-standard components.
Beyond cost savings, you gain access to a complete industrial ecosystem. We provide one-stop solutions from mold production and design support to precision machining, surface treatments, and rigorous quality control. This streamlined process minimizes hassle and accelerates your time to market.
Versatile Metal Casting Processes: Sand, Investment, and Die Casting
We specialize in a variety of casting methods to suit diverse product requirements, from intricate designs to large, heavy parts.
Sand Casting Solutions
Sand casting is a highly versatile and cost-effective method ideal for producing both small to very large parts. It offers immense material flexibility, allowing us to work with nearly any ferrous or non-ferrous alloy. While it typically produces a rougher finish compared to other methods, its low tooling costs and rapid prototyping capabilities make it an excellent choice for a wide range of applications and volumes.
Precision Investment Casting
For projects demanding exceptional dimensional accuracy and a superior surface finish, our investment casting (lost wax process) is the perfect solution. This method is ideal for complex geometries and thin-walled components, often reducing or eliminating the need for extensive secondary machining operations. While the cost per part and turnaround time may be higher than sand casting, the precision and quality of the final product provide immense value for demanding industries.
Efficient Die Casting
Die casting excels in high-volume production runs where consistency and intricate detail are crucial. Utilizing permanent metal molds, this process ensures excellent dimensional accuracy for parts, particularly in aluminum and zinc alloys. Our advanced facilities allow for rapid manufacturing, helping you respond quickly to market demands.
We offer the expertise and capabilities to meet your specific casting needs. Our focus is on providing robust, reliable components that enhance your product’s performance.
Investment Casting
As a leading Cast Parts Manufacturer in China, we provides high-quality investment casting services, specializing in the production of precision valve body components. As shown in our facility, we handle high-volume orders for complex parts, from raw casting to finished product. Using advanced investment casting techniques, we manufacture durable valve body parts in various alloys, including stainless steel and bronze. We are an OEM partner for your industrial needs.
| Manufacturing Method | Investment Casting(Lost Wax Casting) |
| 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, AS2074 or according to customer specific requirement. Copper, Brass, Bronze |
| Weight Range | 0.01 kgs to 100 kgs |
| Cast Hole Min. Dia. | Ø2mm |
| General Casting Tolerance | CT4-CT7 |
| 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 | Ra1.6-Ra3.2 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 |
Method: Investment Casting, Lost Wax Casting, Precision Casting
| Process Description | Process Control | |||
| Mass(kgs) | General Tolerance Standard | Casting Tolerance(CT) | Surface Rougness(μm) | |
| Silicon Sol | 0.05-50 | ISO 8062 | CT4-CT6 | Ra 3.2～6.3 μm |
| Water Glass | 0.10-100 | ISO 8062 | CT6-CT8 | Ra 6.3～12.5 μm |
Sand Casting
| Manufacturing Method | Sand Casting(Resin Sand, Pre-Coated Sand, 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: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 |
Die Casting
| Manufacturing Method | Die Casting Services |
| Material Standard | GB, ANSI, BS, DIN, JIS, ASTM, ASME, AISI, etc Aluminum alloy: ISO3522-84, ASTMB85-96, JISH5302:2000, EN1706:1998 Aluminum alloy: ADC12, ADC10, A360, A380, A356, 6061, 6063， AlSi9Cu 2.Magnesium alloy: ISO/DIS16220-1999, ASTMB93/B93M-98, EN1754-1997 Magnesium alloy: AZ91D, AM60B, 3.Zinc alloy: ISO301-1981,ASTMB327-98, JISH2021:1999, EN12844:1998 Zinc alloy: ZA3#,ZA5#,ZA8# |
| Weight Range | 3g – 20 kgs |
| Dimension Range | Mini 80 X 80 mm, Max 800 X 800 mm |
| Tolerance | ±0.02mm |
| 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 |
| Quality Control | RT,UT,MT,PT,CMM,SCAN,Chemical and Mechanical Property Testing,Spectrometer,etc |
| Ultimate machining tolerance | 0.005mm |
| Logo/ID | Silk-screening, Laser Marking, Engrave,Painting |
| Finish Roughness | Ra0.8-Ra1.6 according to customer requirement |
| 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 |
