China's shrimp inventory adjustment pushes down Vietnamese wholesale prices, opening a buying window for Japanese sourcing

In China's seafood wholesale market, importers have entered a phase of prioritizing "clearing out the inventory they hold" over "buying new." According to the Vietnam Association of Seafood Exporters and Producers (VASEP) on August 5, 2026, weak food-service demand and oversupply have overlapped, and wholesale prices are under downward pressure centered on Ecuadorian vannamei. China is now the largest destination for Vietnamese shrimp. The inventory cycle happening in that market loops around, through Vietnamese product's export unit price, to the purchase prices of Japanese trading companies and OEM sourcing. Rather than consuming it as a price flash, we want to read it as material for sourcing decisions.

Chinese importers have entered a phase of reducing inventory, and Ecuadorian wholesale prices are collapsing

VASEP's reporting describes the Chinese market with the words "weak consumption demand" and "ample supply." Importers rush to consume on-hand inventory and squeeze new orders. As a result, the movement of trade itself slows, and downward force weighs on wholesale prices. Particularly affected is Ecuador, the largest supplier of vannamei to China. Industry trade paper Undercurrent News's weekly assessment also reported that in week 32 of 2026 (early August), Ecuadorian product to China kept falling, centered on retail-pack brine-soaked and semi-IQF products. At the end of July, there were also moves by the supply side to cut prices to boost sales.

The specific weekly CNY-denominated unit prices are paid data, so this piece does not handle them, but for a sense of the price band, as of July 2025 the China wholesale price of Ecuadorian vannamei was indicated at a range of roughly 32.75–50.8 yuan per kg depending on size and packaging (about US$4.56–7.07, or about 684–1,061 yen at 150 yen). The current structure is that inventory adjustment is pushing prices toward the lower end of this range.

Precisely because China became the largest market, China's inventory cycle governs Vietnamese product prices

The reason this matters to Vietnam lies in the change in market structure. Vietnam's shrimp exports to China were about US$711 million (about 106.6 billion yen) to the Chinese mainland and Hong Kong in January–May 2026, surging plus 46% from the same period a year earlier. Looking at seafood as a whole, China bought about US$1.4 billion (about 210 billion yen, up 40% year on year) of Vietnamese product in the first half of 2026, overtaking the US to become the largest import destination. Given that full-year exports of shrimp to China in 2025 were about US$1.3 billion (about 195 billion yen, up 55% year on year), China has, over this past year, turned into a presence that governs Vietnam's shrimp supply-demand.

That the largest market enters inventory adjustment also means that, at the "exit" for Vietnamese shrimp, buyers all turn to aggressive price-cutting at once. The price collapse of Ecuadorian product lowers the price ceiling even for Vietnamese product competing for share in the same Chinese market. China's inventory cycle is no longer an external factor moving Vietnamese product's export unit price, but an internal variable.

*US dollars at US$1 = 150 yen; the reference wholesale price's yuan base was converted at the then-rate of about 7.18 yuan = US$1.

Vietnamese product partly dodges the vannamei price-cutting war with a shift to high value addition

However, Vietnamese product does not necessarily take China's price collapse head-on. What is driving the growth in exports to China is black tiger shrimp and high-value-added processed goods, a realm half a step removed from the cheap-price battle of general-purpose vannamei. Whereas Ecuador sticks to China with a volume battle in frozen raw-material vannamei, Vietnam fights to defend its unit price with degree of processing and variety. That VASEP names Ecuadorian product as the main battleground of inventory adjustment and does not report an overall slump in Vietnamese product reads as this division of roles working.

Still, it is not a complete breakwater. If the vannamei market as a processing raw material falls on cues from China, Vietnam's raw-material sourcing cost also falls, and room for downward pressure on export offers widens. An eye that separates price-resilient varieties from general-purpose products that track the market is needed. The structure of Vietnam's shrimp industry is contiguous with Vietnamese agriculture success stories the investment in cold chain and traceability touched on there. The production circumstances of the Mekong Delta, the main farming region, are summarized in the characteristics of the Mekong Delta agricultural zone.

"It can't run on zero inventory"—Japan's sourcing that factors in a rebound

For Japanese buyers, this phase holds two meanings. First, while Chinese demand eases, a surplus arises in part of Vietnamese product, and offers to Japan are apt to soften. China and Japan are competing for Vietnamese shrimp, so when the largest buyer squeezes orders, that much product heads to other markets. In the short term, it is a tailwind for purchasing.

Second, inventory adjustment always reverses. Among Chinese import circles, the view has emerged that "if everyone reduces inventory, eventually it can't run on zero and they have no choice but to resume ordering." In the weekly assessment as of August 10, Ecuadorian product's movement showed signs of bottoming out, and once it turns from bottoming to accumulation, buying to replenish the inventory once spat out will push prices back up. The same dynamics in which China's demand fluctuations shook production-area prices in durian also work in shrimp (Chinese durian demand and its impact on Vietnamese agriculture）。

The practical implication is clear. While it is softening now, there is room to lock in volume with contracts for general-purpose vannamei processed goods. On the other hand, for price-resilient items such as black tiger shrimp, because China's high-value-added demand provides support, it is more certain to lock them in at the usual negotiation pace rather than waiting for a sharp drop. Not misjudging the turning point where China's inventory switches from "reducing" to "accumulating" divides skill in purchasing prices.

Summary: read the direction of China's inventory before Vietnamese product's price tag

China's shrimp market in August 2026 is pushing down wholesale prices, centered on Ecuadorian product, as weak consumption and inventory consumption overlap. Having grown shrimp exports to China 46% year on year in January–May and pushed China up to the largest market, Vietnam has deepened the degree to which it shares its fate with this inventory cycle. While a shift to high value addition gives Vietnamese product a certain cushion, general-purpose vannamei is directly tied to China-originated price movements. What Japan's sourcing front should watch is not the wholesale price itself in the near term, but the direction—whether Chinese importers are in a phase of "reducing" inventory or entering a phase of "accumulating" it. The boundary between softening and rebound will decide next quarter's purchasing prices.

Sources

• VASEP, "China's wholesale prices under downward pressure from importers' inventory adjustment," August 5, 2026: vasep.com.vn
• Undercurrent News, "Ecuador shrimp prices extend decline in China as volumes increase," August 5, 2026, and other weekly assessments (August 3 and August 10): undercurrentnews.com
• eFeedLink「Vietnam’s shrimp exports to China surge 46% in first five months of 2026」：efeedlink.com
• ALIAT「China imports $1.4 billion of Vietnamese seafood in first half of 2026」：aliatlegal.com
• Undercurrent News, "UCN launches wholesale shrimp prices for Ecuadorian vannamei in China," July 14, 2025 (reference wholesale price range): undercurrentnews.com