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Based in Luoyang, Henan, Henan San Kuang Machinery Technology Co., Ltd. has been a reliable manufacturer of complex geometry cast parts produced via investment casting since 2014. Our 10,000–30,000 m² factory houses 51–100 skilled professionals, and our annual export value of US$2.5–5 million demonstrates our strong global presence across North America, South America, Europe, Asia, Africa, and Oceania. We specialize in transforming intricate designs into high-quality metal components with exceptional dimensional accuracy and surface finish, serving industries that demand precision and durability.
Investment casting, also known as lost-wax casting, is the ideal process for creating parts with thin walls, sharp corners, deep cavities, and complex internal geometries. Our advanced wax injection, shell building, casting, and finishing lines ensure each piece meets strict specifications. Below are key technical parameters:
| Parameter | Details |
|---|---|
| Available Materials | Stainless steel (304, 316, 17-4PH, etc.), carbon steel (WCB, WCC), alloy steel (4140, 4340), ductile iron, brass, bronze, and other alloys upon request |
| Weight Range | 0.01 kg to 500 kg per piece |
| Dimensional Tolerance | CT4–CT6 (ISO 8062), typical linear tolerance ±0.1mm up to ±0.5mm depending on size |
| Surface Roughness | Ra 0.8 – 6.3 μm (as cast), further improved with finishing |
| Minimum Wall Thickness | 1.0 mm for general steel, 0.5 mm for some aluminum alloys |
| Lead Time | 15–30 days for standard samples; 30–45 days for production orders (varies by complexity) |
Our investment casting process delivers multiple advantages for complex geometry parts:
- Near-net shape: Minimizes machining, saves material and cost.
- Excellent surface finish: Reduces secondary finishing steps.
- Design flexibility: Can reproduce extremely complex shapes, undercuts, and internal passages.
- High dimensional consistency: Suitable for precision assemblies.
- Wide material selection: From standard steels to exotic alloys.
- Scalability: From prototype to mass production (100–100,000+ pieces).
We serve sectors such as automotive (engine parts, brackets), aerospace (turbine blades, structural components), industrial machinery (valve bodies, pump impellers), oil & gas (fittings, connectors), and construction equipment (wear parts). Each project begins with rigorous engineering review, including simulation of casting solidification to ensure soundness and defect-free parts. Our in-house laboratory performs chemical analysis, mechanical testing, and non-destructive examination (X-ray, ultrasonic, dye penetrant) as needed.
With more than a decade of experience, Henan San Kuang Machinery Technology Co., Ltd. is committed to quality management systems. We hold multiple certifications including ISO9001, ISO14001, OHSAS18001, TL9000, SA8000, and many others (see company profile). Our main ports are Shanghai, Lianyungang, Qingdao, and Tianjin, ensuring efficient global logistics. We have supplied parts to clients in over 30 countries and are proud of our 98% on-time delivery rate and 0.5% return rate over the past three years.
Why choose us for your complex investment cast parts?
- Established factory: 10,000–30,000 m² production base with advanced equipment.
- Experienced team: 51–100 employees, including 10+ engineers with casting expertise.
- Robust quality assurance: Ceramic shell quality control, spectrometers, and CMM inspection.
- Competitive pricing: Direct from manufacturer without middlemen.
- Customization: We work from your 3D model or drawing, with free DFM feedback.
- Flexible order quantities: Low MOQ for samples; volume discounts for mass production.
We invite you to send your designs or sample requests and experience our professional service. Let Henan San Kuang Machinery Technology Co., Ltd. be your trusted partner for investment cast parts with complex geometries. Contact us today for a quote!
Frequently Asked Questions
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Q: What materials do you offer for investment casting of complex parts?
A: We offer a wide range including stainless steels (304, 316, 17-4PH, etc.), carbon steels, alloy steels, ductile iron, brass, bronze, aluminum, and custom alloys. Contact us with your specific requirements. -
Q: What is the minimum order quantity (MOQ)?
A: For sample/ prototype orders, MOQ is 1–10 pieces depending on size. For mass production, MOQ typically starts at 50–100 pieces, but we can be flexible. -
Q: Can you achieve tight tolerances for thin-walled or intricate features?
A: Yes. Our process can hold linear tolerances to ±0.1mm on dimensions under 100mm. For extremely thin walls (down to 1mm), we optimize wax and shell parameters to prevent distortion. -
Q: What is the typical lead time?
A: Sample tooling and first articles: 15–30 days. Production: 30–45 days after approval of samples. Rush service is available upon request. -
Q: Do you provide surface finishing options?
A: Yes. We offer as-cast, shot blasting, sand blasting, polishing, passivation, anodizing, painting, or any custom finish. Specify your requirement. -
Q: How do you ensure quality for complex castings?
A: We perform first article inspection (FAI) using CMM, spectrometers for material composition, and NDT (X-ray, UT, MPI) where required. Our ISO9001 system covers every step. -
Q: Can you help with design for manufacturability?
A: Absolutely. Our engineering team provides free DFM feedback to optimize your design for investment casting, reducing cost and improving yield. -
Q: What ports do you ship from?
A: We mainly ship from Shanghai, Lianyungang, Qingdao, and Tianjin. FCL and LCL options are available. We handle all export documentation.
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