ISO9001/IATF16949 Certified CNC Manufacturer in China | 24h Quotation | Free DFM Support
±0.002 mm Tolerance · 3–7 Days Lead Time · ISO 9001 & IATF 16949
From prototyping to mass production, one-stop CNC machining + injection molding + sheet metal fabrication
Rapid mold making and injection molding services for prototypes and mass production. Supports ABS, PC, POM, and other engineering plastics with consistent quality and fast turnaround.
Rapid mold design and production (short lead times)
Supports engineering plastics: ABS, PC, POM, Nylon
Scalable from prototypes to mass production
Consistent quality with ISO-certified process control
High-precision CNC machining with ±0.002 mm tolerance. Capable of aluminum, titanium, stainless steel, and other alloys. Ideal for aerospace, automotive, and medical parts where accuracy and reliability are critical.
±0.002 mm tight tolerances for critical parts
5-axis capability for complex geometries
Wide material range: aluminum, titanium, stainless steel
Ideal for aerospace, automotive, and medical components
Swiss-type turning for high-volume small components with ±0.01 mm accuracy. Widely used for automotive fasteners, medical pins, and electronic connectors requiring repeatability and cost efficiency.
High-volume production of small precision parts
Accuracy up to ±0.01 mm
Perfect for connectors, fasteners, and medical pins
Cost-efficient, repeatable quality for global OEMs
SLA, SLS, and metal 3D printing for fast prototypes and small-batch production. Perfect for complex geometries, lightweight structures, and quick design validation in product development cycles.
Rapid Prototyping – Quickly turn designs into physical models, speeding up product development cycles.
Design Flexibility – Create complex geometries that are difficult or impossible with traditional manufacturing.
Cost-Effective for Low Volumes – Ideal for small-batch production without the need for expensive tooling.
Precision sheet metal services including laser cutting, bending, welding, and surface finishing. Ideal for enclosures, brackets, and custom metal structures in robotics, electronics, and industrial equipment.
Precision laser cutting for clean edges
CNC bending and welding for complex assemblies
Wide finishing options: powder coating, anodizing, polishing
Suitable for enclosures, brackets, and industrial housings
Low-cost sand casting with 7–10 day lead time. Producing aluminum, stainless steel, and magnesium alloy parts. Suitable for both prototypes and low-volume batches requiring durability and cost savings.
30% cost savings vs. alternative casting methods
Fast prototyping: 7–10 day lead times
Materials: aluminum, stainless steel, magnesium alloys
Durable, large-format parts for industrial use
We’re your single resource from prototyping to production. Partner with SPI to accelerate product development and get to market faster than ever before. When you’re ready for production, get complete program management with a team of manufacturing experts who will help optimize your project around cost, quantity, and quality.
From aerospace-grade materials to micron-level precision, Super-ingenuity empowers your innovation with industrial-grade capabilities tailored for complex engineering needs.
High-precision aerospace parts, instrument components, lightweight structures.
Precision automotive parts, engine components, interior/exterior parts.
Precision medical components, surgical tools, implants.
High-precision mold manufacturing, rapid tooling, and 3D-printed prototypes.
Our standard CNC machining tolerance is ±0.01 mm. For high-precision projects, we can achieve up to ±0.002 mm using advanced 5-axis CNC machines and Hexagon CMM inspection.
Simply send us your STEP/IGS file or technical drawing with dimensions, tolerances, material, finish, and quantity. Our engineers provide a fast DFM review and quotation within 24 hours.
Yes. SPI supports NDAs (yours or ours) to safeguard your IP. We are a trusted precision machining partner for 200+ overseas clients in aerospace, robotics, and medical industries.
We machine aluminum (6061/7075), stainless steel (304/316), alloy steel (4140/4145H), brass, copper, and engineering plastics (POM, PEEK, PC, ABS, PA). Certified titanium and other special alloys available upon request.
Rapid prototype molds: 10-15 days. Production molds: 20-30 days. Our mold engineers optimize design with Moldflow analysis to reduce lead time and ensure tool life.
Our factory is in Dongguan, Guangdong, China — only 1 hour from Shenzhen and Guangzhou. This location ensures fast prototyping, flexible production, and reliable global delivery.
We offer anodizing, sandblasting, polishing, powder coating, painting, plating, and silk-screen printing. All finishing is done by certified technicians for consistent, high-quality parts.
SPI provides CMM inspection reports, material certificates, first-article inspection (FAI), visual inspection records, and shipping certificates — fully traceable under ISO 9001 & IATF 16949.
Why choose us?
Fast quotes, strict quality control, flexible production, and reliable international shipping — making your product development smoother and faster.
