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Henan San Kuang Machinery Technology Co., Ltd. is a professional manufacturer specializing in CNC custom machining steel parts with comprehensive surface finishing services including anodizing and plating. Founded in 2022, our factory spans 10,000-30,000 square meters and employs 51-100 skilled workers, ensuring high-quality production for diverse industries. We offer precision-engineered steel components tailored to your exact specifications, backed by advanced CNC equipment and rigorous quality control systems. Our commitment to excellence is reflected in our certifications such as ISO9001, ISO14000, and OHSAS18001, guaranteeing reliable performance and consistent output.
Our CNC custom machining steel parts are designed for demanding applications where strength, durability, and dimensional accuracy are critical. Whether you need simple brackets or complex multi-axis profiles, we combine state-of-the-art technology with experienced craftsmanship to deliver components that meet the highest standards. The addition of surface finishing options like anodizing and plating enhances corrosion resistance, wear properties, and aesthetic appeal, making our parts suitable for automotive, aerospace, machinery, electronics, and more.
Key Features & Technical Specifications
- Material Selection: Wide range of steel grades including carbon steel (AISI 1018, 1045), alloy steel (4140, 4340), stainless steel (304, 316), and tool steel (D2, A2). We can also work with customer-supplied materials.
- Advanced CNC Machinery: 3-axis, 4-axis, and 5-axis CNC milling and turning centers from leading brands (e.g., DMG MORI, Haas, Mazak) ensure high precision and repeatability.
- Tight Tolerances: Standard tolerance down to ±0.01mm, with optional precision to ±0.005mm for critical applications. Surface finish as low as Ra 0.4 μm.
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Surface Finishing Options:
- Anodizing (Type II, III): Provides a hard, corrosion-resistant oxide layer; available in various colors (black, clear, red, etc.).
- Plating (Zinc, Nickel, Chrome, Tin, Silver, Gold): Electroplated coatings for enhanced conductivity, lubricity, or decorative appearance.
- Other Finishes: Passivation, black oxide, powder coating, phosphate coating, and custom specifications.
- Complex Geometries: Capable of machining intricate features such as undercuts, threads, slots, pockets, and 3D contours with high precision.
- Quality Assurance: In-house inspection using CMM, optical comparators, hardness testers, and surface roughness testers. Each part is inspected per ISO 9001 procedures.
- Customization: We accept both drawings (2D/3D) and samples for reverse engineering. Minimum order quantity is flexible, from prototypes to high-volume production runs.
| Parameter | Specification |
|---|---|
| Max Part Size | 2000mm x 1000mm x 500mm (depending on machine) |
| Weight Range | 0.1 kg to 500 kg |
| Surface Roughness | Ra 0.4 μm – 3.2 μm (as required) |
| Anodizing Thickness | 5–25 μm (Type II), 25–100 μm (Type III) |
| Plating Thickness | 5–50 μm depending on coating type |
| Lead Time (Samples) | 7–15 working days |
| Packaging | Individual wrapping with foam, carton or wooden crate for export |
Benefits for Your Business
- Cost Efficiency: Our optimized production processes and in-house capabilities reduce secondary operations, saving you time and money.
- Reliability: With rigorous quality control and certifications (including ISO9001, ISO14000, OHSAS18001), you can trust that every part meets your requirements.
- Fast Turnaround: We maintain a sufficient inventory of common steel grades and consumables to expedite orders. Rush services available upon request.
- One-Stop Solution: From raw material sourcing to final finishing and packaging, we handle all steps, simplifying your supply chain.
- Global Reach: We export to North America, South America, Europe, Asia, Africa, Oceania, and more. Our ports of shipment include Shanghai, Lianyungang, Qingdao, and Tianjin.
Why Choose Henan San Kuang Machinery?
As a young yet rapidly growing enterprise, we have achieved an annual export value of US$2.5–5 million, serving markets across 30+ countries. Our factory is equipped with 50+ CNC machines, including 5-axis units, and we have a dedicated team of engineers and quality inspectors. We hold multiple certifications (HACCP, TL900, QS9000, SA8000, ISO9001, ISO9004, ISO17799, ISO9000, ISO14000, ISO10441, ISO16949, TS16969, ISO19011:2000, OHSAS18001, and others), demonstrating our commitment to quality, safety, and environmental responsibility. Our location in Luoyang, Henan, provides convenient access to raw materials and logistics hubs. We invite you to contact us for a competitive quote or to discuss your specific project requirements. Let us be your trusted partner for precision CNC steel parts.
Frequently Asked Questions (FAQ)
1. What steel materials do you support for CNC machining?
We work with a wide range of steel grades including carbon steel (e.g., 1018, 1045), alloy steel (4140, 4340), stainless steel (304, 316, 17-4PH), and tool steel (D2, A2). We can also source custom materials per your request.
2. What surface finishing options are available for steel parts?
We offer anodizing (Type II and III), plating (zinc, nickel, chrome, tin, silver, gold), passivation, black oxide, powder coating, and more. Our team can recommend the best finish based on your application (corrosion resistance, wear, aesthetics, etc.).
3. What is the typical lead time for prototype and production orders?
Prototype samples usually take 7–15 working days, while production orders (100+ pieces) typically require 15–30 working days, depending on complexity and quantity. Rush orders are available with a surcharge.
4. Can you handle complex geometries and tight tolerances?
Yes, our 5-axis CNC machines and skilled programmers can produce complex features such as undercuts, threads, and 3D contours. We can hold tolerances as tight as ±0.005mm for critical dimensions.
5. How do you ensure quality control?
We follow ISO9001 procedures with in-process inspection and final inspection using CMM, optical comparators, hardness testers, and surface roughness testers. Detailed inspection reports are provided with each shipment.
6. What is the minimum order quantity (MOQ)?
We have no strict MOQ for standard parts. For custom parts, we accept orders as low as 1 piece for prototypes. For mass production, we recommend 100+ pieces to optimize cost, but smaller quantities are negotiable.
7. Do you provide certificates of origin and material test reports?
Yes, we can provide certificates of origin, material test reports (MTR), and other required documentation upon request. Our certifications (ISO9001, etc.) are also available for review.
8. How can I get a quote for my CNC steel parts?
Please send your 2D/3D drawing (PDF, STEP, IGES, or DWG) along with material, finish, and quantity requirements to our sales team. We will respond with a detailed quotation within 24 hours.
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