Cold Chain Fulfilment: the Warehouse Links
Cold chain is the unbroken sequence that keeps a temperature-sensitive product within its specified range from supplier to customer. It has four links. OPS 3PL operates three of them — inbound, storage, and pick and pack — from our Rosebery warehouse in Sydney. The fourth, transit, is arranged by you or your carrier.
We say that plainly because the alternative wastes everyone’s time. Plenty of providers imply end-to-end cold chain and hand the parcel to a general courier anyway. Knowing exactly where our responsibility ends lets you put a real control on the leg we do not own.
The four links
- Inbound — was it already warm on arrival? If nobody checks, the excursion is invisible and gets attributed to you later. We do this.
- Storage — continuous logging, not spot-checks. We do this.
- Pick and pack — how long does stock stand at ambient before the parcel is sealed and staged? We do this.
- Transit — the longest and least controlled leg. You or your carrier own this.
Inbound
Refrigerated freight is booked in, checked against your ASN or packing list, counted and put away to a recorded location. Where stock arrives outside its specified range we tell you rather than putting it away quietly — you should decide what happens to product that arrived warm, not us.
Storage
Chilled stock is held at 2-6°C in a purpose-built cool room, within the 2-8°C band most specifications use. Around 100 pallet spaces are chilled, with capacity to expand, alongside bin locations for unit-level picking. Temperature is logged continuously and cross-checked across independent sensors and standalone data loggers, so a drifting sensor is caught when it stops agreeing with the others.
Pick, pack and staging
Chilled orders are packed with insulation and coolant that you supply and specify, then staged so they leave the cool room close to courier collection rather than standing at ambient on a despatch bench.
An order packed at 9am and collected at 4pm has spent seven hours doing nothing useful, and that gap is where product warms. Sequencing is the control we can actually apply, so we apply it. Despatch cutoffs for chilled are agreed per client rather than fixed, because the right cutoff depends on your carrier and destination.
Transit — the link you own
We do not arrange chilled couriers or quote chilled transit times. You or your carrier own that leg.
That is worth understanding rather than glossing over, because transit is where most excursions happen. Two things follow from it:
- Your packaging specification has to match your longest realistic transit, not your average one. Insulation validated for a Sydney metro next-day delivery is not the same specification as Perth.
- If your carrier offers temperature-controlled transport, it is worth pairing with our staging so the parcel is sealed and collected in the same window rather than sitting overnight.
We will pack to whatever configuration you specify and stage to whatever collection time you book. What we will not do is imply we control what happens after the parcel leaves.
What we hold chilled
- Medical products and diagnostics
- Beverages
- Beauty and skincare with actives
- Probiotics and temperature-sensitive supplements
- Veterinary products
Where we are not the right fit
We are a third-party logistics warehouse, not a licensed pharmaceutical wholesaler, and we do not handle products requiring a permit or licence. We also do not process returns on chilled stock.
If your product needs any of those, we will tell you at first contact rather than at onboarding.
Frequently asked questions
What is cold chain fulfilment?
Cold chain fulfilment is keeping a temperature-sensitive product within its specified range across inbound receipt, storage, picking, packing and transit. It is a sequence rather than a facility, and it is only as strong as its weakest link.
Do you arrange chilled transport or couriers?
No. OPS 3PL operates the warehouse links — inbound checks, 2-6°C storage, and pick and pack with staging to your collection time. Chilled transit is arranged by you or your carrier.
What is the difference between cold storage and cold chain?
Cold storage is holding stock at temperature in one place. Cold chain covers the whole journey, including inbound checks, despatch staging and transit, which is where most temperature excursions actually occur.
Where does cold chain most often fail?
Rarely in the cool room. The common failure points are inbound freight that already arrived warm, orders standing at ambient between packing and courier collection, and packaging validated for a short transit being used for a long one.
Related
See chilled storage, our cold storage warehouse and cold storage 3PL services.
Enquire
Tell us your product, its specified range and your order profile, and we will tell you which links we can take and which stay with you. Get in touch.