A large batch of Thai longan sulfur exceeded the standard and was returned, causing the price to plummet to 1 yuan/jin.

The halt in procurement by longan processing factories and the termination of new futures contracts with orchards have led to a sharp drop in the export price of large orchard longans to 20-22 Thai baht/kg (4.4-4.8 yuan/kg), a significant decrease from the futures contract price of 28-32 Thai baht/kg (6.2-7.1 yuan/kg) in early July 2025. The price of small orchard longans has also fallen to 10-13 Thai baht/kg (2.2-2.8 yuan/kg). A longan orchard owner in the Soi Dao area of Chanthaburi Province recently stated that a large number of longans from Thailand are being returned. For example, 3 out of 50 containers of small longans at the export warehouse were returned, and more than 10 out of 90 containers at the large warehouse were also returned. Another 50-60 containers are still being transported by ship. After being picked, longans undergo fumigation or sulfur dioxide treatment to delay skin discoloration and reduce spoilage, resulting in a higher sulfur dioxide content in the ...