goeto
Precision Parts Processing Services
GOETO Precision provides comprehensive precision parts processing from our integrated facility in Shenzhen, China. As a precision mold manufacturer, we extend our machining expertise to direct part production — covering CNC machining, turning, milling, grinding, and EDM for clients who need high-accuracy metal and plastic components.
Serving automotive suppliers, medical device manufacturers, office equipment brands, and consumer electronics companies worldwide since 2015. No MOQ requirement on any order.
Precision Parts Processing Services
GOETO Precision provides comprehensive precision parts processing from our integrated facility in Shenzhen, China. Since 2015, we have delivered high-accuracy components to automotive, medical device, office equipment, and consumer electronics clients across North America, Europe, and Southeast Asia. As a technology-driven factory, our precision parts processing capabilities span the complete machining spectrum — from CNC milling and turning to wire cut EDM, sinker EDM, surface grinding, cylindrical grinding, and conventional milling. We handle a broad range of component types including precision mold inserts (core pins, cavity inserts, ejector sleeves for multi-cavity molds), metal terminals (connector contacts, battery terminals, spring contacts), automatic machine parts (shafts, bushings, gears, cams), and custom machined components (prototypes, fixtures, brackets, housings per drawing spec). Our CNC machining center achieves tolerances as tight as ±0.005mm with surface finish down to Ra 0.2μm through surface grinding. CNC turning delivers cylindrical components within ±0.01mm. Wire cut EDM handles complex 2D profiles with sharp internal corners and taper cutting up to 30°. Materials processed include aluminum alloys (6061, 7075), stainless steel (304, 316, 420), copper, brass, carbide, and engineering plastics (ABS, POM, PC, PA, PEEK). Every component undergoes CMM inspection before shipment to ensure dimensional accuracy meets spec. Our engineering team reads technical drawings in Chinese, Japanese, and English. No MOQ requirement applies — from single prototype to batch production. See our processing equipment capabilities and learn about our mold manufacturing operations.
Our precision parts processing workflow is structured for efficiency and quality control. Stage one: drawing review and feasibility analysis — our engineers evaluate part geometry, tolerance requirements, and material selection to determine the optimal machining process. Stage two: material procurement and incoming inspection — all raw materials come with mill certificates and are verified against spec before machining begins. Stage three: CNC machining and EDM — roughing operations followed by precision finishing passes to achieve final dimensions. Stage four: heat treatment when required — for hardened tool steel components, we perform heat treatment between roughing and finishing to maintain accuracy. Stage five: precision grinding and surface finishing — surface grinding (±0.005mm flatness, Ra 0.2μm), cylindrical grinding (Ø within 0.005mm, Ra 0.4μm), and polish as needed per customer specification. Stage six: CMM inspection and quality report — full dimensional inspection with detailed report provided to the customer. We follow Japanese quality management standards with strict in-process QC at every stage. Lead time for precision parts: 3–7 working days for prototypes, 7–15 working days for batch orders depending on complexity and quantity. Shipping via DHL, UPS, or SF Express with proper packaging and rust prevention for metal parts. Our precision parts processing serves diverse industries — automotive (connector housings, sensor brackets, metal terminals), consumer electronics (precision inserts, contact springs, device frames), medical devices (instrument casings, diagnostic equipment housings, lab device components), and office equipment (printer guide rails, copier shafts, paper feed rollers). Many of these parts transition seamlessly into our injection molding production when volume justifies tooling investment. Visit About GOETO Precision for company background and certifications. Request a Precision Parts Quote →
Mold Insert Materials
GOETO Precision processes mold inserts in multiple tool steel grades to match your application requirements — from high-volume production molds to high-gloss cosmetic surfaces.
Mold Insert — SKD61 (Core Pin)
SKD61 core pin insert with precision-ground diameter for tight-fit mold assembly. Wear-resistant and dimensionally stable after heat treatment, essential for long-cycle precision parts processing.
Mold Insert — VIKING Steel
Precision mold insert machined from VIKING steel. High toughness and wear resistance, ideal for core pins and cavity inserts in high-volume precision parts processing applications.
Mold Insert — SKD61
SKD61 hot-work tool steel mold insert with excellent heat resistance and hardenability. Commonly used for ejector sleeves and slide inserts in precision parts processing.
Mold Insert — 8407
8407 mold insert delivering superior polishability and dimensional stability after heat treatment. Suitable for high-gloss surface requirements in precision parts processing.
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Client Results
“Our product had an extremely complex structure, and several teams declined the project. GOETO’s precision mold manufacturer team not only took it on but delivered an exceptional mold design solution — the parting line and cooling system were perfectly engineered, and the final product met all dimensional accuracy requirements. A truly hassle-free custom injection molding partnership!”
The attention to detail in their mold design is outstanding! From the runner system to the ejection mechanism, every aspect was meticulously considered. There was no need for repeated revisions or follow-ups, and we encountered absolutely no flash or shrinkage issues during custom injection molding production. The quality speaks for itself!
We had extremely strict tolerance requirements, and they kept up perfectly with our pace. The 3D drawings were exceptionally clear and detailed, with tight, precise tolerance control. The handover to precision CNC machining production was completely seamless — this collaboration was a perfect 10/10 experience!
