Custom Machined Part Factory

The facility runs 100+ production machines — milling, turning, mill-turn, and grinding — plus 20+ inspection instruments, staffed by 100+ people with 80%+ skilled technicians and 60% holding 5–10 years on the job. Every machine and every operator writes to the same record, so the chain is populated from the entire floor, not from a corner of it.

The people matter to traceability as much as the machines do, because the record is only as complete as the person at the terminal makes it. A floor where most operators have been at the work for years is a floor where the logging habit is second nature, not a chore that gets skipped when the shift runs long.

How does the machine fleet support the chain?

The fleet writes to the record automatically. Mazak, Brother, TSUGAMI, and Sodick machines run the milling, turning, mill-turn, and grinding work, and each one reports its program, running data, and cycle time to the MES/ERP system as it works. That machine-level reporting is what keeps the chain continuous — the record is generated by the equipment, not reconstructed from memory when an auditor calls.

The brand names matter less than the fact that the fleet is a single generation of equipment feeding one system. A mixed fleet with no data portability is a traceability headache; a fleet that all speaks to the same MES/ERP is a chain that populates itself. The machine link in the record is the one that never forgets to log.

What certifications does the factory hold?

Certification means the traceability record exists and is auditable — the chain is part of what the certificate verifies. The three certificates are stated in full so you can check them rather than take them on word.

Standard	Certificate number	Scope
ISO 9001:2015	116024/A/0001/UK/En	Machining of metal parts
IATF 16949:2016	131941/A/0001/SM/En	Manufacture of CNC metal machining parts (excludes product design, Clause 8.3)
ISO 14001:2015	116024/B/0001/UK/En	Environmental management related to machining of metal parts

Honest scope note: IATF 16949 excludes product design under Clause 8.3 — a build-to-print factory, which keeps the traceability unambiguous about who owns each link in the chain.

How does the inspection room feed the chain?

The inspection room is where the chain closes, and it sits on the same floor as the machines so the record never leaves the building either. Hexagon GLOBAL S CMMs, vision measuring machines, and a gear measuring center verify the dimensions; surface-finish and profile instruments confirm roughness; hardness and coating-thickness testers cover material properties. Each reading is written to the lot record, so the inspection link is populated with data, not with a rubber stamp.

The inspection room being in-house is a traceability decision, not just a cost one. Sending parts out for measurement means the inspection link is written in another shop's system, and the gap between "measured" and "recorded" opens up again. Keeping the CMMs and the machines under one roof keeps the measurement in the same chain as the machining that produced it.

How does a quality hold stay a small event on this floor?

When a non-conformance surfaces, the traceability record identifies the exact lot, machine, and operator, so only the affected lot is quarantined. The rest of the floor keeps running — the schedule does not stop, and the rest of the order keeps its value. That is the operational payoff of a chain that runs the length of the floor.

The hold itself is a physical act with a recorded reason. The quarantined lot is tied to its record, the non-conformance is written up, and the disposition — rework, scrap, or concession — is logged back into the chain. So the hold is not just a pause; it is another entry in the record, which is why the same problem never has to be solved twice.

How does the factory document the chain for export?

The chain does not end at the dock. The lot number that leaves the inspection bench is the same number on the packing list, the commercial invoice, and the box, so the record survives the journey under whatever Incoterms the order uses — EXW at the gate, FOB at the port of loading, or DDP to your door. The documentation discipline is the last hand-off in the chain, and it gets the same care as the first.

For you importing into Europe, North America, Japan, Australia, or beyond, that means the part you clear at customs is still traceable to the material, machine, and inspection that produced it. The record travels with the shipment, not just with the factory's database, so the chain is complete on your side of the water too.

Can you verify the traceability system before ordering?

Yes, and you should. A factory visit is welcome, and a live video walk of the floor and inspection room is available for buyers who cannot travel. The purpose is to verify the traceability system runs on the floor, not just on paper, because a chain that only exists in a brochure is not a chain at all.

The visit is not a tour; it is an audit. You are looking for the record being written, not described — a machine that logs its running data, an inspection bench that writes its readings, a receiving dock that checks material against the mill certificate. Those are the moments where a real chain shows itself, and they are the moments worth watching for.

How do you audit the factory's traceability from a distance?

Request three things: the XRF material record for a recent lot, a CMM report or SPC chart from a real job, and the MES/ERP record that ties the two together — raw material to finished part. A factory that returns all three is one whose chain you can file; one that hesitates is one whose chain has a gap somewhere. The record is documented, so it can be reviewed remotely before you set foot in the building.

• Request the XRF record for a recent incoming lot, tied to its mill certificate.
• Request a CMM report or SPC chart from a real job on the floor.
• Request the MES/ERP record that joins material, machine, operator, and inspection for one lot.
• Ask for a live video walk of the floor and inspection room, and watch for the record being written, not just described.

How does the floor layout keep the chain moving?

The floor is laid out so the part's path matches the record's path. Material enters at one end and is verified at the door; it moves through machining in the order the operations run; it reaches the inspection room before it reaches the dock. Because the physical flow follows the logical flow, the record is never asked to jump backwards or across the building, which is where records get lost in a factory laid out for storage instead of flow.

A layout that follows the process is a quiet traceability advantage. When the part and its record travel the same route, the hand-offs are fewer and shorter, and each one lands in a place that expects it. The 6,800 m² floor is arranged so the chain has as few corners to turn as the part does, which keeps both the part and its record moving in the same direction, at the same time.

Why does the factory run the chain on every job, not just regulated ones?

The chain is a habit, not a setting. A factory that only turns traceability on for the customers who audit has to switch its discipline on and off, and the switch is exactly where the mistakes happen. Running the chain on every job — a one-piece prototype or a full production run — means the record is always there, always complete, and the auditor who shows up unannounced finds the same floor the regular customer does.

For you, this is the difference between a supplier who performs traceability and one who practices it. The performance ends when the audit ends; the practice is the default state of the floor. A factory that runs the chain on every job is a factory where the record you receive was not assembled for you — it was already there.

What this shop actually runs

Capability evidence should come as specifics, not slogans. Behind this guide is a 6,800 m2 plant in Dongguan, China running 100+ CNC machines with 100+ staff. The machine list by category:

• 5-axis machining centres (10+) - Mazak VARIAXIS I-600 (510/910/510 mm travel, 12,000 rpm, 22 kW, 71.6 N·m, 30-tool BT40) and Mazak INTEGREX I-250H S (B-axis 0.0001°, 24 kW, 124 N·m, 38-tool HSK-A63). Typical work: compound-angle parts, single-setup multi-face prismatic work, and aerospace fittings where datum transfer loss is unacceptable.
• 3-axis / 4-axis machining centres (50+) - Brother SPEEDIO S500Z2N / S700Z2N (10,000 rpm, 14/21-tool ATC, 0.7 s tool-to-tool, Z-axis 2.2 G) and Mazak VCE-430A L / VCE-570C L (10,000 rpm, 118 N·m, 24-tool ATC). Typical work: prismatic parts, plates, brackets, housings.
• Swiss-type turning centres (10+) - Citizen Cincom A20-3F7 (Φ20 mm, 10,000 rpm), TSUGAMI B0206-III / B0205-III (Φ20 mm, 0.1 µm), STAR SR-32JII / SR-32J Type N (Φ32 mm, 8,000 rpm). Typical work: long, slender rotational parts at ±0.002 mm.
• CNC turning centres (20+) - HEADMAN T70M/1250 (720 mm swing, 117 mm bore, 3,000 rpm, BMT75 12-station turret). Typical work: shafts, bushings, flanges up to ±0.002 mm.
• Wire EDM (5+) - Sodick AQ535L (550/350/300 mm travel, ±20° taper, 800 kg workpiece). Typical work: hardened tool steel, internal splines, sharp internal corners that milling cannot reach.
• Inspection: Hexagon CMM + 20+ gauges - Hexagon CMM for coordinate measurement, plus vision system, profilometer, hardness tester, coating thickness gauge, XRF for material verification. The 10:1 rule (gauge 10x more accurate than the band) is applied to every feature.
• Machine highlights - VARIAXIS I-600: one-setup multi-face 5-axis + MAZA-CHECK auto-calibration; INTEGREX I-250H S: DONE-IN-ONE mill-turn, B-axis 0.0001° + Ai thermal shield; SPEEDIO S500Z2N / S700Z2N: Z-axis 2.2 G + 0.7 s ATC; Swiss-type: guide-bush switchable + 0.1 µm resolution.

Tolerance: ±0.003 mm CNC milling / ±0.002 mm CNC turning / ±0.002 mm grinding and wire EDM. Capability: Ppk >= 1.67 initial on key characteristics, Cpk >= 1.33 ongoing.

Certificates: ISO 9001:2015 (116024/A/0001/UK/En), IATF 16949:2016 (131941/A/0001/SM/En, with design clause 8.3 excluded, stated openly) and ISO 14001:2015 (116024/B/0001/UK/En), issued to Dongguan Zhuohang Ltd, registration 91441900MA4UWT6X39, founded 2005.

Where we ship: Austria, Belgium, the Czech Republic, Denmark, France, Germany, Greece, Hungary, Ireland, Italy, the Netherlands, Spain, Sweden and the United Kingdom in Europe; Brazil, Canada, Mexico and the United States in the Americas; China, Israel, Japan, Singapore and Sri Lanka in Asia; Australia and New Zealand in Oceania; and South Africa in Africa — plus other countries and regions worldwide, shipped from our base in Dongguan, China.

Contact: Felipe Iglesias, [email protected], +86 13126536955.

Custom Machined Part Factory — Related Pages

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