Nakhon Si Thammarat, Thailand's leading mangosteen-producing province, is implementing coordinated supply-chain improvements to boost distribution and quality. Current season production reached 41,217 tonnes (89.6% of 45,994-tonne forecast, +16% YoY); 31.99% of area now holds GAP certification. Key initiatives include establishing 2 auction centers, promoting GI (Khao Kiri Wong) branding with 86 certified farmers, strengthening cold-chain logistics via agricultural cooperatives, and direct e-commerce channels. August peak-season output (21,371 tonnes) showcases market-timing opportunities for SMEs in logistics and agri-tech distribution.