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Supply Chain Resilience

From Chaos Control to Machined Part Control

A tier-one supply base three plants deep. 127 high-precision CNC machines, ±0.005 mm tolerance and 100% inspection before shipment, so your program does not stop when one supplier, one port or one part number goes sideways.

ISO 9001:2015IATF 16949:2016ISO 13485:2016No MOQ12-hour quote3–5 day shipping
GreatLight Metal new factory building
127High-precision CNC machines
±0.005 mmAchievable tolerance
99.99%Qualification rate
<2%Historical late-delivery risk
Symptoms

Where the Chaos Starts

Most sourcing chaos is not a market event. It is four small failures stacking up on the same part number.

01

One supplier, one machine, one failure point

A single source with no second plant means a spindle failure or a fire inspection stops your whole build. You find out on the day the shipment is due, not the day the machine went down.

02

Quotes that take a week and still miss

Engineering sends a STEP file on Monday. The quote returns Friday with no DFM notes, no tolerance feedback and no material alternatives. Tooling decisions get made blind.

03

Parts that pass at the supplier and fail at assembly

Hole positions drift between lots because nobody controls datum strategy across operations. The scrap shows up at your line, and you pay for the rework and the air freight.

04

No paper trail when a customer audits you

Material certs missing, in-process records incomplete, no final inspection report attached. Your own auditor asks for traceability and you have nothing to send.

The System

How We Move a Program From Chaos Control

Three plants, one quality system and a documented route from RFQ to shipped parts.

Leader in Cnc Machining Service China
Capacity

Spare capacity is the real insurance policy

Supply chaos usually starts when a supplier is running at the edge. We run 3 wholly-owned plants covering 7,600 m² with 150 technicians and 127 high-precision CNC machines. That includes 16 simultaneous 5-axis machining centers, 12 four-axis mills, 27 three-axis machines and 16 mill-turn centers.

When one machine goes down, the work moves to another spindle in the same quality system. You do not re-qualify a new supplier in the middle of a build. Maximum processing size reaches 4,000 mm, so large frames and long housings stay in-house instead of splitting across two vendors.

  • 1
    Multi-plant routingProduction can shift between plants without a new PPAP cycle.
  • 2
    Large-part capability4,000 × 400 × 150 mm travel handles long profiles and frames.
  • 3
    Five-axis in one setupFewer setups means fewer datum shifts and tighter position control.

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supplier-quality-control
Control Loop

Tolerance, inspection and paperwork you can defend

Chaos control ends when the same part measures the same way three lots in a row. We hold ±0.005 mm on production parts and work surface finishes from Ra 0.2–0.8 μm on sealing faces to Ra 1.6–3.2 μm as-machined on brackets.

Inspection is not a final gate you hope for. Raw material check, in-process monitoring and final inspection run on every order, with 100% inspection before shipment. Reports go out on request, which is what your auditor actually wants to see. The qualification rate sits at 99.99%.

  • 1
    Documented traceabilityMaterial certs and inspection records travel with the lot.
  • 2
    Certified systemISO 9001:2015, IATF 16949:2016, ISO 13485:2016, ISO 27001:2022.
  • 3
    Confidential handlingUploads stay secure; NDA available on request.
Selection

Which Problem Are You Solving?

Pick the route by what is actually broken, not by part size alone.

SituationRouteWhat It Fixes
Single source, no backupMulti-plant routingMachine downtime no longer stops the build
Tolerance drift between lotsFive-axis plus in-process checkDatum strategy locked across operations
Long parts split across vendors4,000 mm travel in-houseOne supplier, one inspection record
Prototype needs a real processRapid prototyping on production machinesDesign freeze without re-tooling later
Audit request for traceabilityReports on requestMaterial and inspection docs on hand
Low volume, high mixNo minimum order quantityOne prototype up to 10,000+ part runs
Services

What We Machine and Finish

One shop for the metal, the finish and the paperwork.

01

5 Axis CNC Machining

16 simultaneous 5-axis centers for contoured housings, impellers and parts with tight angular callouts that would need three setups otherwise.

02

4 Axis and 3 Axis CNC Machining

12 four-axis mills and 27 three-axis machines for prismatic work, plates, brackets and drilled patterns where cycle time matters more than complexity.

03

CNC Milling & Turning

16 mill-turn centers plus Ø400 mm rotary table capacity for shafts, bushings and turned parts with milled flats and cross holes.

04

Rapid Prototyping

Prototype runs on the same machines as production, so the geometry you approve is the geometry you scale.

05

Sheet Metal Fabrication

Enclosures, chassis and panels from aluminum and stainless, finished and assembled alongside machined components.

06

Surface Finishing

Anodizing, plating, powder coating, black oxide, blasting, brushing, polishing and laser marking at 1.5 mm minimum character height.

Scope

Capability and Material Scope

Numbers below are what we run in normal production, not best-case lab values.

ItemCapabilityNotes
Tolerance±0.005 mm (±0.0002 in)Production parts, not just sample
FinishRa 0.2–0.8 μm fineRa 1.6–3.2 μm as-machined
Max processing size4,000 mm4,000 × 400 × 150 mm travel
Aluminum6061, 7075, 2024, 5052ADC12 die casting also available
Stainless303, 304, 316L, 17-4PH17-4PH for high-strength shafts
Titanium and specialTC4 (Ti-6Al-4V), InconelMagnesium AZ31B / AZ91D
PlasticsPOM, PEEK, PC, PA, ABSCarbon fibre also machined
Order sizeNo MOQOne prototype to 10,000+ parts
Why GreatLight

What Keeps a Program Stable

Six things buyers check before they move a part number.

15Y

Machining since 2011

Fifteen years of production work in Dongguan, with a second plant in Singapore at No.3 Joo Koon Circle for regional supply.

±0.005

Tolerance held in production

Reviewed on every lot, with in-process monitoring rather than a single final check.

12h

Quote and free DFM in 12 hours

You get manufacturability notes, tolerance feedback and material options before tooling is cut.

24h

Production start within 24 hours

Once drawings and material are confirmed, the schedule starts moving the next working day.

100%

Inspection before shipment

No sampling shortcuts on the final gate. Reports supplied on request.

0

Minimum order quantity

Prototype quantities and 10,000+ runs run on the same quality system.

3Wholly-owned plants
150Technicians on staff
7,600 m²Manufacturing space
127CNC machines in service
Delivery

What Each Industry Requires, What We Deliver

aluminum-alloy-industrial-control-chassis-sheet-metal-processing

Industrial control chassis

Sheet metal plus machined inserts, one inspection record for the assembly.

  • ±0.005 mm
  • 100% inspection
CNC Lathe Technical Specifications Terminology

Automotive and EV shafts

Turned and milled features on mill-turn centers, IATF 16949 process control.

  • IATF 16949
  • Ra 0.8–1.6 μm
precision-custom-machining-solutions-from-prototype-to-production

Medical device housings

Clean deburring, stable finish and traceable material lots for device builds.

  • ISO 13485
  • Material certs
CNC Machining Services Online

Robotics and automation frames

Large plates and brackets up to 4,000 mm kept under one supplier.

  • 4,000 mm
  • 3–5 day shipping
FAQs

Questions Buyers Ask Before Switching

What does from chaos control actually mean in a machining order?

It means the part number behaves the same way every lot. Same datum strategy, same inspection method, same paperwork.

When one supplier runs several plants under one quality system, a machine failure or a staffing gap does not turn into your line stoppage.

How fast can you quote and start?

Quotation and free DFM analysis come back within 12 hours of receiving drawings and material information.

Production can start within 24 hours after the order is confirmed. Parts typically ship in 3–5 days depending on quantity and finishing.

Do I need to order a large batch to get production pricing?

No. There is no minimum order quantity. One prototype and a 10,000+ part run both go through the same machines and the same inspection gate.

Unit economics improve with volume, but the process does not change.

Which materials and finishes can you handle in one order?

Aluminum 6061, 7075, 2024, 5052 and others; stainless 303, 304, 316L, 17-4PH; steel 1018 to 4140; titanium TC4 and Inconel; plastics including POM, PEEK and PC.

Finishing covers anodizing, plating, powder coating, black oxide, blasting, polishing and laser marking.

How do you control tolerance across multiple operations?

We fix the datum in the setup plan before cutting, then use five-axis and mill-turn centers to reduce the number of re-clamps.

In-process monitoring catches drift during the run, not after the parts are already off the machine.

What inspection documentation do I receive?

Raw material check, in-process monitoring and final inspection run on every order, with 100% inspection before shipment.

Inspection reports, material certificates and dimensional data are supplied on request.

Can you sign an NDA before I send drawings?

Yes. An NDA is available on request, and uploads are handled as confidential. ISO 27001:2022 covers our information security process.

If your program needs restricted access, tell us at the RFQ stage and we will set it up before files move.

What happens if a part fails inspection?

It does not ship. The lot is held, the cause is traced to the operation, and the fix is documented before rework or replacement runs.

The qualification rate is 99.99%, and the historical late-delivery probability is below 2%.

Send the Part Number That Keeps Breaking

Upload drawings and get a quote with free DFM analysis within 12 hours. No minimum order quantity.

12-hour quote100% inspectionNo MOQNDA on request

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