CNC Machinery Parts China: The Comprehensive Engineering Sourcing Framework

Introduction: Why CNC Machinery Parts Sourcing Deserves Engineering Rigor

CNC machinery parts china suppliers power the precision-component backbone of global manufacturing. From semiconductor wafer-handling mechanisms requiring ±0.002 mm positional accuracy to automotive drivetrain shafts cycling through billions of rotations, the quality of a CNC-machined part ultimately determines whether the machinery it enters performs reliably or fails in service. China now accounts for an estimated 40 % of global CNC-machined component output — a scale that makes it unavoidable as a sourcing region, yet simultaneously varied in capability.

The quality spectrum among cnc machinery parts china suppliers spans from high-mix job shops producing single prototypes on 3-axis mills, to vertically integrated campuses operating fleets of 5-axis Swiss-type lathes, mill-turn centers, and CMM inspection laboratories. The difference between these tiers is not merely equipment — it is the presence or absence of documented process capability (Cpk), material traceability, and quality systems that survive the scrutiny of aerospace, medical, and automotive OEM audits.

This guide provides procurement engineers and product developers with a complete technical framework for specifying, sourcing, and qualifying cnc machinery parts china production. It covers machining process selection, material behavior, tolerance philosophy, surface finishing, inspection methodology, and supplier qualification — with quantified data throughout to replace generic marketing claims with engineering decision criteria.

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CNC Process Selection: Matching Geometry to Machining Method

The first technical decision in sourcing CNC machinery parts is selecting the correct machining process. Each method has a sweet spot defined by part geometry, volume, and tolerance requirements. Specifying the wrong process — for example, 3-axis milling for a geometry that demands 5-axis simultaneous positioning — inflates cost, extends lead time, and often compromises tolerance achievement.

Machining Process	Optimal Geometry	Typical Volume	Achievable Tolerance	Cost Index	Lead Time Factor
3-Axis CNC Milling	Prismatic parts, pockets, 2.5D features	1 – 10,000	±0.025 mm	1.0×	1.0×
4-Axis CNC Milling	Rotary-indexed features on prismatic parts	10 – 5,000	±0.020 mm	1.3×	1.1×
5-Axis Simultaneous Milling	Complex 3D surfaces, impeller blades, undercuts	1 – 2,000	±0.010 mm	2.0×	1.3×
2-Axis CNC Turning	Simple round parts, shafts, bushings	50 – 100,000	±0.020 mm	0.6×	0.7×
Mill-Turn Live Tooling	Round parts with off-axis features	50 – 50,000	±0.010 mm	1.4×	0.9×
Swiss-Type CNC Turning	Small-diameter (≤ 32 mm), high-volume, slender parts	500 – 1,000,000+	±0.005 mm	1.5×	1.0×
Wire EDM	Hardened steel, complex profiles, thin sections	1 – 5,000	±0.003 mm	2.5×	1.5×
Sinker EDM	Blind cavities, sharp internal corners, hardened steel	1 – 1,000	±0.005 mm	2.8×	1.6×
Precision Grinding	Hardened surfaces, flat/cylindrical, Ra ≤ 0.2 μm	10 – 10,000	±0.002 mm	2.2×	1.4×

Swiss-type CNC turning occupies a particularly strategic position within the cnc machinery parts china landscape. These machines — also called Swiss lathes or Swiss screw machines — hold the workpiece in a sliding guide bushing immediately behind the cutting tool, virtually eliminating deflection during cutting. This configuration enables length-to-diameter ratios exceeding 30:1 at tolerances of ±0.005 mm, making Swiss turning the dominant process for medical surgical instruments, electronic connector pins, hydraulic valve spools, and precision fastener components.

KeyFixPro operates a fleet of STS C-series 5-axis CNC machining centers and SYNTEC-controlled Swiss-type lathes, delivering a combined positional accuracy of ±0.005 mm with Cpk ≥ 1.67 on critical dimensions. This equipment profile covers the full process spectrum from prototype single-piece runs through million-piece production programs.

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Material Selection for CNC Machinery Parts

Material choice drives cost, machinability, mechanical performance, and lead time. The table below catalogues the most common CNC machining materials by their engineering attributes.

Material Family	Yield Strength (MPa)	Machinability Rating (1–10)	Density (g/cm³)	Corrosion Behavior	Cost Index	Typical Application
Aluminum 6061-T6	276	9	2.70	Good (anodize for enhancement)	1.0×	Structural brackets, housings, heat sinks
Aluminum 7075-T6	503	8	2.81	Moderate (anodize required)	1.4×	Aerospace, high-stress lightweight
Brass C36000	310	10	8.50	Excellent	2.8×	Connector bodies, decorative hardware
Copper C110	70	7	8.96	Oxidizes in air	3.2×	Electrical contacts, bus bars
Mild Steel 1018	370	7	7.87	Poor (requires coating)	0.7×	Structural shafts, general machinery
Alloy Steel 4140	655	6	7.85	Poor (requires coating)	1.1×	Gears, shafts, tooling
Stainless Steel 304	215	4	8.00	Excellent	1.8×	Food, medical, marine
Stainless Steel 316L	290	4	7.98	Outstanding (chloride-resistant)	2.1×	Medical implants, chemical, marine
Titanium Ti-6Al-4V	880	3	4.43	Outstanding	8.5×	Aerospace structural, medical implants
Inconel 718	1,034	2	8.19	Outstanding (to 700 °C)	12.0×	Jet engine, gas turbine, extreme service
PEEK	90	7	1.32	Outstanding	9.0×	Medical, semiconductor, high-temp plastic
POM (Delrin / Acetal)	70	10	1.41	Good	1.5×	Precision gears, low-friction parts

Machinability rating (1–10 scale, higher = easier) correlates directly to cycle time and tooling cost. Materials below a rating of 4 — Inconel, titanium, 316L stainless in work-hardened condition — require carbide or ceramic tooling, reduced cutting speeds, and aggressive coolant delivery. These factors can triple the cost per feature compared to aluminum 6061. Specifying Inconel for a feature that stainless 316L could serve adequately represents one of the most common cost-overrun errors in cnc machinery parts china procurement.

KeyFixPro maintains an in-house material library spanning the full range in the table above, with incoming material verification via AMETEK optical emission spectrometry (OES) on 100 % of received heats. This verification step catches mill-certificate discrepancies before material enters the production floor — a quality gate that distinguishes premium-tier suppliers from shops relying solely on documentation claims.

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Tolerance Philosophy: Specifying What Matters

Over-tolerancing is the single largest source of unnecessary cost in CNC machined parts. Every additional decimal place tightens inspection time, cycle time, and scrap rate disproportionately. The principle: specify the tolerance required by function, not the tolerance technically achievable.

Tolerance Class	Typical Value (mm)	Cost Multiplier	Inspection Method Required	Suitable Application
General / Coarse (ISO 2768-c)	±0.30 – ±0.50	1.0×	Caliper	Non-critical brackets, cosmetic features
Medium (ISO 2768-m)	±0.10 – ±0.20	1.2×	Caliper, micrometer	General machinery, mating clearances
Fine (ISO 2768-f)	±0.05 – ±0.10	1.4×	Micrometer, height gauge	Housings, mounting interfaces
Precision	±0.02 – ±0.05	1.8×	Dial indicator, profilometer	Bearing fits, alignment features
High Precision	±0.005 – ±0.02	2.5×	CMM, optical comparator	Hydraulic spools, connector pins
Ultra Precision	±0.001 – ±0.005	4.0×	CMM with temperature control	Optics mounts, semiconductor tooling
Sub-Micron	≤ ±0.001	8.0×+	Interferometry, gauge blocks	Metrology, ultra-high-precision assembly

Not every feature on a part requires the same tolerance class. A well-specified CNC drawing identifies 3–8 critical features with tight tolerances and allows general tolerances on the remainder. This approach reduces inspection cycle time by 40–60 % without sacrificing functional performance.

KeyFixPro’s CMM inspection infrastructure operates at a demonstrated ±0.001 mm measurement accuracy in a temperature-stabilized metrology room, enabling reliable verification of features specified to ultra-precision and sub-micron classes. First article inspection reports (FAIR) document every critical dimension with Cpk calculation, traceable gauge calibration, and photographic evidence.

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Surface Finish Specification

Surface finish (Ra) directly affects fatigue life, sealing integrity, wear resistance, and visual appearance. As with dimensional tolerance, over-specifying surface finish inflates cost without functional benefit.

Ra Value (μm)	Visual Description	Typical Process	Cost Multiplier	Application
6.3 – 12.5	Visible tool marks	Rough turning, rough milling	1.0×	Non-mating surfaces, internal features
3.2 – 6.3	Moderate tool marks	Finish turning, finish milling	1.1×	General machinery surfaces
1.6 – 3.2	Smooth, slight texture	Fine turning, fine milling	1.3×	Paint prep, standard bearing journals
0.8 – 1.6	Semi-polished	Reaming, fine grinding	1.6×	Precision bearing fits, sealing surfaces
0.4 – 0.8	Polished	Honing, fine grinding	2.2×	Hydraulic cylinder bores, rotary seals
0.1 – 0.4	Mirror polish	Lapping, superfinishing	3.5×	Optical components, high-pressure seals
≤ 0.1	Reflective mirror	Polishing, electropolishing	6.0×+	Medical implants, semiconductor wafer tooling

Surface finish on stainless steel medical components frequently requires electropolishing to Ra ≤ 0.4 μm — a specification driven by biocompatibility and cleanability rather than mechanical function. Conversely, an aluminum structural housing typically performs adequately at Ra 3.2 μm, where specifying Ra 0.8 μm adds 60 % to cost without adding value.

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Surface Treatment and Coating Options

Post-machining surface treatment adds corrosion resistance, improves wear behavior, enhances appearance, or provides electrical properties. Selecting the correct treatment requires understanding both base material compatibility and the service environment.

Treatment	Base Material	Thickness (μm)	Key Property	Cost Index	Service Environment
Type II Anodize	Aluminum	5 – 25	Corrosion resistance, color	1.0×	Indoor, mild outdoor
Type III Hard Anodize	Aluminum	25 – 75	Wear resistance (400+ HV)	1.8×	High-wear, industrial
Chromate Conversion (Alodine)	Aluminum	0.5 – 4	Electrical conductivity + corrosion	0.7×	Electrical grounding features
Electroless Nickel	Steel, aluminum	10 – 50	Uniform deposition, 500+ HV	1.6×	Complex geometries needing wear + corrosion
Zinc Electroplate (Trivalent)	Steel	8 – 15	General corrosion	0.8×	Indoor machinery
Zinc-Nickel Alloy	Steel	8 – 15	720+ hr salt spray	1.3×	Outdoor, automotive
Black Oxide	Steel	1 – 3	Aesthetic + mild corrosion	0.5×	Interior machinery, tooling
Passivation	Stainless steel	Conversion layer	Restores chromium layer	0.6×	Medical, food-grade
Electropolishing	Stainless steel	Removes 25 – 50 μm	Ra ≤ 0.4 μm, biocompatible	2.5×	Medical implants, pharma
PVD Coating (TiN, CrN)	Hardened steel	1 – 5	2,000+ HV, decorative color	3.5×	Cutting tools, wear-critical features
Powder Coating	Steel, aluminum	60 – 120	Aesthetic + corrosion	1.2×	Housings, outdoor enclosures

KeyFixPro maintains in-house zinc-nickel and DACROMET coating lines validated beyond 1,000 hours neutral salt spray per ASTM B117, plus established sub-tier relationships for Type II/III anodizing, electroless nickel, and electropolishing — enabling single-source coordination for parts requiring combined machining and finishing.

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Inspection and Quality Control Infrastructure

The difference between a commodity CNC shop and an OEM-qualified supplier often reveals itself in the inspection laboratory. The following inspection capabilities separate tier levels.

Inspection Capability	Commodity Shop	Mid-Tier Supplier	OEM-Qualified Supplier
Calipers, Micrometers	Yes	Yes	Yes
Height Gauges, Dial Indicators	Limited	Yes	Yes
Optical Comparator	Rarely	Sometimes	Standard
Coordinate Measuring Machine (CMM)	No	Shared/limited	Dedicated, temperature-controlled
Surface Roughness Tester	No	Yes	Multi-stylus, digital
Hardness Testing (Rockwell, Vickers)	No	Sample-basis	Every heat-treat lot
Material Verification (OES / XRF)	Certificate only	Certificate + sample XRF	100 % OES on incoming heats
First Article Inspection Reports	Basic dimensional	Full layout	AS9102 / PPAP Level 3+
SPC with Cpk Monitoring	No	Occasional	Real-time on critical dimensions
Gauge Calibration Program	Informal	Annual	NIST-traceable; documented

KeyFixPro operates a full OEM-qualified inspection infrastructure: CMM at ±0.001 mm measurement accuracy, Rockwell and Vickers hardness testers, AMETEK OES for alloy verification, digital surface roughness testers, and real-time SPC dashboards monitoring Cpk on every critical dimension. First article inspection reports include complete dimensional layouts, material certificates, surface finish measurements, and capability studies for every new part number.

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Design for Manufacturing (DFM) Principles

A well-designed CNC part costs 30–50 % less to produce than a poorly designed equivalent performing the same function. The following principles reduce cost without compromising performance.

DFM Principle	Cost Impact	Explanation
Avoid sharp internal corners	15–30 %	Internal corners require small-diameter tools and multiple passes; specify tool-radius fillets (typically 1–3 mm)
Minimize deep pockets	20–40 %	Pocket depth beyond 4× tool diameter requires long-reach tools and reduced cutting speeds
Standardize hole sizes	10–20 %	Mixing custom hole sizes requires multiple tool changes; use standard drill or reamer sizes
Limit tight-tolerance features	25–50 %	Each ±0.01 mm feature adds inspection time; reserve precision for functional surfaces
Use standard threads	10–15 %	Custom thread pitches require specialty taps; specify standard ISO or UNC/UNF threads
Avoid thin walls	20–60 %	Walls thinner than 0.8 mm deflect during cutting; specify 1.5 mm+ where possible
Accept visible tool marks on non-cosmetic faces	15–25 %	Specifying Ra 3.2 μm instead of Ra 1.6 μm on internal features saves finishing time
Consolidate material grades	5–15 %	Using multiple exotic alloys in one assembly increases material handling cost
Design for single setup	20–35 %	Features machinable in one fixturing are far cheaper than multi-setup features

KeyFixPro’s engineering team — comprising 20+ senior engineers with 50+ combined patents — provides free DFM review for every new part number, identifying cost-reduction opportunities before quoting. This collaborative approach routinely delivers 15–35 % cost savings compared to as-designed quotations while maintaining functional performance.

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Industry Applications for CNC Machinery Parts

Different industries impose distinct technical and regulatory requirements on CNC-machined components. Understanding these requirements upfront accelerates supplier qualification.

Industry	Typical Materials	Tolerance Class	Critical Certifications	KeyFixPro Capability
Automotive (Tier 1 / OEM)	4140, 40Cr, 304, aluminum 6061	±0.005 – ±0.02 mm	IATF 16949, PPAP Level 3	Full certification; 100+ programs
Medical Devices	316L SS, PEEK, titanium	±0.005 – ±0.02 mm	ISO 13485 (partner), FDA	Sub-tier partnership available
Aerospace	7075 Al, titanium, Inconel	±0.005 – ±0.015 mm	AS9100 (partner), NADCAP	Sub-tier partnership available
Semiconductor	316L SS, aluminum 6061, PEEK	±0.002 – ±0.01 mm	Class 10,000 cleanroom	Certified cleanroom sub-tier
Robotics / Automation	6061, 7075, 4140, POM	±0.01 – ±0.02 mm	ISO 9001	Full in-house
Oil & Gas	316L SS, Inconel 625, Duplex	±0.02 – ±0.05 mm	API, NACE MR0175	Sub-tier for specialty alloys
Hydraulic / Pneumatic	4140, 303 SS, bronze	±0.005 – ±0.01 mm	ISO 9001	Full in-house
Precision Fasteners	42CrMo4, 34CrNiMo6, stainless	±0.005 mm	IATF 16949	Core competency

KeyFixPro holds IATF 16949, ISO 9001, and ISO 14001 certifications, with deep core expertise in precision fastener components and automotive CNC parts. For industries requiring specialized certifications (AS9100 aerospace, ISO 13485 medical, NACE oil & gas), KeyFixPro operates established sub-tier partnerships that maintain traceability and quality system compliance through the full supply chain.

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Supplier Qualification: 12-Point Audit Framework for CNC Machinery Parts China

Not every shop claiming CNC capability can deliver OEM-grade parts consistently. The following audit framework — extending beyond generic ISO 9001 verification — separates qualified manufacturers from commodity shops.

Audit Point	What to Verify	Red Flag Indicator
Equipment Fleet Age	Machines ≤ 10 years old for precision work	Predominantly older (20+ year) machines for ultra-precision specs
Equipment Brand Quality	Reputable brands (Haas, Mazak, DMG Mori, Okuma, Matsuura, STS, SYNTEC)	Predominantly unknown or rebuilt machines
Spindle Runout Specification	≤ 3 μm for precision work	Not documented or measured
Temperature Control	≥ 20 °C ±2 °C in machining area; ±1 °C in metrology	No thermal stability measures for tight-tolerance work
CMM Availability	Dedicated CMM with valid calibration	Reliance on calipers / manual gauges only
Material Verification Method	OES or XRF on incoming heats	Certificate-only verification
SPC Implementation	Real-time Cpk tracking on critical dims	No SPC; reactive quality only
PPAP / FAIR Capability	Level 3+ PPAP; AS9102 FAIR capability	Only Level 1 submission
Operator Skill Level	Certified machinists; documented training matrix	High turnover; minimal documentation
Tool Management	Tool library with wear monitoring	Manual tool tracking; inconsistent life
Fixture Engineering	In-house fixture design capability	Outsourced fixturing; long lead times
Traceability System	Digital per-lot traceability to heat number	Paper-based; gaps in chain of custody

KeyFixPro satisfies every qualification criterion: IATF 16949 / ISO 9001 / ISO 14001 certified, operating a fleet of STS C-series 5-axis machines and SYNTEC-controlled Swiss-type lathes (average machine age under 8 years), in a temperature-controlled production campus with dedicated metrology room, AMETEK OES for material verification, CMM inspection at ±0.001 mm, real-time SPC monitoring, and digital per-lot traceability. This infrastructure supports a sustained 0 PPM outgoing defect record across 100+ completed programs in 20+ countries.

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Cost Drivers and Pricing Transparency

Understanding what drives CNC part cost enables more effective negotiation and design optimization. The following breakdown applies to typical mid-complexity parts.

Cost Component	Typical Share of Total	What Drives It
Raw Material	15 – 35 %	Material grade, stock size, market conditions
Machine Time	30 – 50 %	Cycle time × machine hourly rate (varies by equipment)
Tooling & Consumables	5 – 15 %	Tool wear rate, specialty tools required
Setup & Programming	5 – 20 % (higher for low volume)	Fixturing complexity, CAM programming time
Inspection & Quality	5 – 15 %	Feature count requiring CMM, FAIR documentation
Surface Treatment	0 – 25 %	Coating type, part complexity for fixturing
Packaging & Logistics	2 – 5 %	Part fragility, export documentation
Margin	15 – 30 %	Supplier tier, competitive positioning

Volume dramatically shifts this breakdown. For prototype quantities (1–10 pieces), setup and programming can exceed 50 % of unit cost. For production volumes (10,000+ pieces), setup amortizes to near-zero, and machine time dominates. This is why dual sourcing — using a prototype specialist for initial runs and a volume specialist for production — often outperforms single-sourcing across both phases.

KeyFixPro provides transparent quotations that separately itemize material, machine time, setup, inspection, and treatment costs — enabling clients to identify specific design changes that reduce unit price rather than negotiating an opaque lump-sum figure.

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Lead Time Expectations

Lead time for CNC machinery parts china production depends on part complexity, volume, material availability, and inspection requirements.

Phase	Typical Duration	Key Variables
Quotation	72 hours	Drawing complexity, DFM review depth
Material Procurement	3 – 21 days	Stock availability vs. mill order
Programming & Fixturing	1 – 10 days	Complexity, number of setups
First Article Production	2 – 7 days	Setup runtime + first part inspection
FAIR / PPAP Documentation	3 – 14 days	PPAP level required, dimensional complexity
Volume Production	Parallel with above phases	Machine utilization, volume
Surface Treatment	3 – 10 days	In-house vs sub-tier, treatment type
Inspection & Packaging	1 – 3 days	Sample size, report format
International Shipping	3 – 45 days	Air (express) vs. sea freight

Total prototype lead times typically range from 7–21 days for air-expressed parts; production lead times for ongoing programs stabilize at 3–5 weeks once tooling and programming are amortized. KeyFixPro’s integrated production chain — in-house cold forging, CNC machining, heat treatment, surface coating, and inspection — compresses lead time by eliminating sub-tier coordination delays that typically add 1–2 weeks to fragmented supply chains.

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Common Sourcing Mistakes and How to Avoid Them

Mistake	Consequence	Preventive Action
Specifying tolerance tighter than function requires	30–100 % cost premium	Identify functional tolerance from assembly requirement; use ISO 2768 general elsewhere
Selecting exotic material unnecessarily	200–800 % material premium	Verify whether standard stainless or alloy steel meets the requirement
Skipping DFM review	15–35 % unnecessary cost	Engage supplier engineering early; iterate drawings before quote
Over-specifying surface finish	50–200 % finishing cost premium	Specify Ra by function; accept higher Ra on non-critical surfaces
Selecting supplier on lowest price alone	Quality failures, rework, missed deliveries	Weight quality systems and capability equally with price
Not verifying material traceability	Field failures from off-spec material	Require OES / XRF verification reports with PPAP
Ignoring thermal environment	±0.01 mm tolerances drift ±0.02 mm without temp control	Require metrology room temperature stability documentation
Single-sourcing prototype and volume	Higher total cost of ownership	Dual-source strategically for each production phase

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Frequently Asked Questions

What is the typical tolerance capability of CNC machinery parts china production?

Mid-tier suppliers reliably achieve ±0.02 mm on general features. Premium suppliers like KeyFixPro deliver ±0.005 mm routinely on critical dimensions, with ±0.001 mm achievable on selected features that undergo precision grinding or lapping. Tolerances tighter than ±0.002 mm require temperature-controlled machining and specialized processes such as wire EDM or lapping.

How does KeyFixPro ensure consistent quality across million-piece production runs?

Through statistical process control (SPC) with real-time Cpk monitoring on critical dimensions, targeting Cpk ≥ 1.67. Every production shift begins with first-article verification against the PPAP baseline; ongoing production is sampled per the AQL plan, with any dimension drift triggering automatic adjustment before reaching the control limit. This architecture, combined with 100 % optical sorting on dimensional and cosmetic attributes, sustains the 0 PPM outgoing defect record across 100+ programs.

Can KeyFixPro support prototype-to-production scaling for CNC machinery parts?

Yes. Prototype quantities start at 1 piece for CNC-machined parts with lead times of 7–14 days air-expressed. As volume scales, parts transition from 5-axis machining to optimized mill-turn or Swiss-type production, with cost reductions at 100, 1,000, 10,000, and 100,000+ tiers. The same engineering team manages both phases, preserving design intent and specification continuity.

What materials does KeyFixPro routinely machine?

Aluminum 6061, 7075; brass C36000, C26000; copper C110; mild steel 1018, 1045; alloy steel 4140, 42CrMo4, 34CrNiMo6; stainless steel 303, 304, 316L, 17-4PH; titanium Ti-6Al-4V; engineering plastics POM, PEEK, nylon. Custom alloy requests are accommodated with OES verification on incoming material.

How does KeyFixPro protect client intellectual property?

All client drawings and design files are handled under signed Non-Disclosure Agreements. Digital files are stored in access-controlled repositories with audit logging. Production drawings distributed to the shop floor carry client-specific part numbers only, with no reference to end-application. Finished parts can be shipped in unmarked packaging to protect supply chain confidentiality.

What minimum order quantities apply?

CNC-machined prototypes start at 1 piece. Production runs scale efficiently from 100 pieces upward, with tiered pricing at 1,000, 10,000, and 100,000+ quantities. Swiss-type turning production is most cost-effective at 10,000+ pieces due to setup amortization. Contact sales@keyfixpro.com for project-specific quotations.

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KeyFixPro — established in 2000, IATF 16949 / ISO 9001 / ISO 14001 certified — delivers precision CNC machinery parts for OEM and Tier 1 programs across 20+ countries. With 25+ years of precision manufacturing heritage, 50+ patents, 20+ senior engineers, a fleet of STS C-series 5-axis CNC machines and SYNTEC Swiss-type lathes, AMETEK OES material verification, CMM inspection at ±0.001 mm, in-house heat treatment and coating lines, and a sustained 0 PPM outgoing defect record across 100+ completed programs, KeyFixPro combines the engineering rigor of a Tier 1 supplier with the cost competitiveness of Chinese manufacturing. Visit www.keyfixpro.com or contact sales@keyfixpro.com.