Producer
Sri Trang Agro-Industry
Largest natural rubber processing company globally by capacity (~3.65M MT/yr stated capacity; ~10-12% global NR market share). Vertically integrated from 7,500 ha plantation through processing and export. Facilities concentrated in southern Thailand rubber belt (Surat Thani, Songkhla, Trang, Nakhon Si Thammarat). SET-listed.
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Inputs supplied
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Goods downstream
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Stories
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Standard Natural Rubber Processing
55%Rubber Gloves (Sri Trang Gloves/STGT)
30%Rubber Wood & Plantation Products
10%Trading & Logistics
5%
Intelligence
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Did you know2021
Sri Trang's dual position in both industrial rubber (tire feedstock) and medical rubber (examination gloves) exposed a structural rivalry between global health security and automotive supply chains that policymakers had not mapped before COVID. Natural rubber is not interchangeable between these markets at the factory level: tire-grade rubber (TSR20) requires specific Mooney viscosity and purity specs while latex concentrate for gloves requires 60% dry rubber content and low protein levels. However, upstream at the plantation and primary processing level, the same rubber trees and the same smallholder farmers supply both paths. When glove prices surged 5-10x in 2020, some Thai processing capacity shifted toward latex concentrate for gloves and away from block rubber for tires. Tire manufacturers could not simply substitute synthetic rubber (which lacks the fatigue resistance of natural rubber in critical tire applications). The global rubber supply chain thus surfaced as a zero-sum competition between pandemic PPE and automotive transportation — mediated through Thai smallholder farms that no supply chain risk model had treated as a single point of failure.
World Rubber Council ↗Origin2022
Sri Trang Agro-Industry, founded in 1987 in Hat Yai, Songkhla (southern Thailand), grew from a regional rubber processor serving Thai smallholder farmers into one of the world's three largest natural rubber companies by volume, alongside Von Bundit and Thai Hua Rubber. Natural rubber in Thailand comes almost entirely from Hevea brasiliensis trees grown by small-scale farmers on plots of 2-15 rai (0.3-2.4 hectares) — Sri Trang's business model is to aggregate this smallholder production through a network of buying stations, process it into standardized grades (TSR20 meeting ASTM or ISO specifications), and sell to global tire manufacturers (Michelin, Bridgestone, Goodyear) who depend on Thai rubber for the natural rubber content of every tire. The COVID-19 pandemic created the most dramatic business event in Sri Trang's history: through its listed subsidiary Sri Trang Gloves Thailand (STGT), the company surged from 25 billion to 52+ billion gloves per year capacity, and STGT's stock price increased approximately 20x between 2019 and 2021. Sri Trang thus experienced simultaneous collapse and boom in its two rubber businesses: tire-destined natural rubber demand fell as automotive production halted, while medical glove demand exploded as hospitals worldwide ran out of PPE.
Sri Trang Agro-Industry Public Company Limited ↗