The a2 Milk Company built a business on a scientific proposition — milk containing only the A2 beta-casein protein — and sold it into China largely through the daigou channel, in which travellers and students bought product in Australian and New Zealand shops and shipped it to Chinese consumers. When borders closed in 2020 the channel disappeared, revenue collapsed, and the company issued a sequence of profit downgrades. It has since rebuilt through registered China-label product, into a market with structurally fewer babies.
The a2 Milk story is the clearest available lesson about the difference between demand and distribution. Chinese demand for the product was genuine and it did not disappear. What disappeared was the informal mechanism connecting the product to the consumer, and because that mechanism was not owned, contracted or even measurable by the company, its failure was invisible until revenue stopped.
What is A2 milk?
Milk from cows producing only the A2 type of beta-casein protein rather than the more common A1 variant. The company markets it as easier to digest for some people, and the proposition supports a substantial price premium.
What was daigou?
An informal cross-border trade in which individuals in Australia and New Zealand purchased retail products and shipped them to Chinese buyers, who valued foreign-bought infant formula for its verifiable provenance.
Why did the business break?
Border closures in 2020 eliminated the travellers and students who operated the channel. Revenue fell sharply and the company issued multiple downgrades, while China’s declining birth rate shrank the underlying market.
Why did Chinese consumers want foreign infant formula?
Because of a domestic contamination scandal whose effects persisted for more than a decade. Chinese parents concluded that formula bought outside China through a chain they could verify was safer than product bought domestically, and that belief created enormous demand for Australian, New Zealand and European brands.
The daigou channel emerged to serve it. Individuals — frequently Chinese students studying in Australia — bought formula from Australian supermarkets and pharmacies at retail prices and shipped it to buyers in China, who paid a substantial premium for the assurance that the tin had genuinely been purchased in an Australian shop.
For a2 Milk this was extraordinarily profitable and structurally fragile. The company sold product into Australian retail at wholesale prices and captured the volume without operating in China at all, but it had no visibility into who the end consumer was, no contractual relationship with the channel, and no ability to influence how the product reached the market.
What happened when borders closed?
The channel simply stopped. International students returned home or never arrived, travellers ceased entirely, and the individuals who had physically carried and shipped product were no longer present in Australia. Demand in China persisted; the mechanism connecting it to supply did not.
The financial consequence unfolded over several reporting periods as a sequence of downgrades, which is what happens when a company cannot see its own demand signal. Inventory sat in Australian retail channels, and by the time the extent of the disruption was visible in the numbers, the position had deteriorated substantially further.
Legal proceedings followed from shareholders who argued the disclosure had been inadequate. The underlying issue was arguably epistemic rather than deceptive: management genuinely did not have reliable visibility into a channel operated by thousands of unconnected individuals, which is precisely the problem with depending on one.
How did the company rebuild?
By moving to registered China-label product sold through formal domestic channels. Selling infant formula in China legally requires product registration with Chinese authorities, manufacturing at approved facilities and distribution through recognised retail and e-commerce channels — all of which the daigou model had allowed the company to bypass.
That transition required capital, time and regulatory work, and it produced a fundamentally different business: lower margin per unit, higher operating cost, but visible, contractable and forecastable. Trading a high-margin informal channel for a lower-margin formal one is the correct decision and it permanently changes the financial profile.
The supply chain also required attention. Securing manufacturing capacity in the right jurisdictions, with the right approvals, is the constraint in registered infant formula, and it explains why dairy processing assets became strategically important to a company that had historically outsourced production entirely.
Was the A2 proposition ever the real advantage?
Partly, and less than the marketing suggested. The scientific claim — that A2 beta-casein is more easily digested by some people than A1 — is contested in the literature and was never the primary reason Chinese consumers bought the product. They bought it because it was foreign, premium and verifiably purchased abroad.
That distinction matters commercially. A product whose advantage is a scientific differentiator can defend a premium through evidence and branding; a product whose advantage is provenance depends on a perception that competitors can also claim and that changes as domestic industries rebuild trust. Chinese domestic formula quality and consumer confidence have both improved substantially.
The durable asset is the brand itself and the supply relationships behind it. Building a premium dairy brand recognised across Asia is genuinely difficult and took years, and it retains value independent of any particular channel or claim. What the company lost was not its brand but the extraordinary economics of an unregulated distribution channel it never controlled.
What should exporters take from this?
First, that informal channels are a gift and a trap. Grey market demand tells you the product has genuine appeal at a genuine price, which is invaluable market intelligence. Building a business on it without formalising the route to market means the entire enterprise depends on conditions nobody is managing.
Second, that formal market entry costs should be treated as insurance rather than overhead. Registering product, establishing local entities and building compliant distribution is expensive and slow, and it is what allows a business to keep selling when the informal route closes. Competitors who invested in registration earlier fared substantially better through the same disruption.
Third, that demographic trends set the ceiling. No amount of commercial skill overcomes a shrinking cohort of babies, and any business selling to a defined age group should model the population curve as carefully as it models market share. Australian agricultural exporters looking at Asian demand should note that the same demographic reversal affects several categories — a point our analysis of beef export markets also touches on.
How does infant formula regulation work in China?
Through mandatory product registration. Selling infant formula in China legally requires each product formulation to be registered with Chinese authorities, manufactured at an approved facility, and labelled in Chinese with the registration details. The system was introduced specifically to raise standards and limit the number of brands on the market.
The consequence for foreign producers is that market access depends on a regulatory process rather than a commercial one. Registration takes time, requires facility approval, and limits how many formulations a company can register, which favours large established producers over new entrants and effectively caps brand proliferation.
It also explains why daigou persisted so long. A product bought in an Australian shop and shipped personally to a Chinese consumer sits outside the registration regime entirely, which is precisely why it was attractive to consumers seeking verifiable foreign purchase and precisely why regulators eventually tightened cross-border e-commerce rules around it.
A final observation on the litigation. Shareholder class actions following profit downgrades have become a standard feature of Australian listed markets, and the a2 Milk case turned on the familiar question of when management knew enough about deteriorating conditions to be obliged to tell the market. For directors, the practical implication is that continuous disclosure obligations do not pause because the information is genuinely difficult to obtain. If a channel delivering most of your revenue is opaque to you, that opacity is itself a material risk requiring disclosure long before it produces a downgrade.
What does this mean for other premium exporters?
That grey market demand should be treated as a signal to invest in formal access, not as a business model. Australian vitamin, health food, cosmetic and dairy companies all experienced versions of the daigou boom, and those that used the profits to fund registration, local entities and compliant distribution survived the disruption far better than those that simply banked the margin.
It also reframes what a distribution investment is worth. Formal market entry looks expensive when an informal channel is delivering volume at no cost, and the correct way to evaluate it is as insurance against the informal channel’s disappearance rather than as a growth initiative competing on return.
The broader Australian export lesson is consistent across categories. Concentration in a single market, a single channel or a single customer creates the same vulnerability regardless of the product, and the businesses that came through the 2020-2024 trade disruptions best were those with genuine alternatives already established rather than plans to develop them.
Worth noting for completeness: the company’s corporate structure spans Australia and New Zealand, with New Zealand origins, dual listings and supply relationships across both countries. That structure was an advantage when both markets supplied the daigou channel and has become a complication in a registered-product world where manufacturing site approvals are jurisdiction-specific.
Why is provenance worth so much in food exports?
Because food safety is one of the few product attributes a consumer cannot verify themselves. A buyer can assess taste, price and packaging directly, but not whether the manufacturing process met the standard claimed, and in a category where the consumer is feeding an infant, that uncertainty carries enormous weight.
Country of origin therefore functions as a proxy for a regulatory system. Australian and New Zealand food products command premiums in Asian markets not because of anything intrinsic to the milk but because buyers trust the inspection, traceability and enforcement regimes behind them. The premium is effectively paid for institutional quality.
That makes provenance a national asset rather than a company one, and it means any Australian exporter benefits from and depends on the sector’s collective compliance record. A contamination incident at one producer damages the country-of-origin premium for every producer, which is why Australian food export regulation is unusually strict and why industry bodies police standards well beyond the legal minimum.
Frequently Asked Questions
What is A2 milk?
Milk from cows that produce only the A2 type of beta-casein protein rather than the more common A1 variant. It is marketed as easier to digest for some consumers, supporting a premium price.
What is the daigou channel?
An informal cross-border trade in which individuals in Australia and New Zealand bought retail products, particularly infant formula, and shipped them to buyers in China who valued verifiable foreign purchase.
Why did a2 Milk’s revenue collapse?
Border closures in 2020 removed the travellers and students who operated the daigou channel, eliminating the distribution route through which much of its Chinese revenue flowed, despite underlying demand persisting.
Is a2 Milk an Australian company?
It has strong New Zealand origins and operates across both countries, with the ASX and NZX listings and supply relationships spanning Australian and New Zealand dairy production.
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