1. First, Distinguish It From Hainan's Food Manufacturing

Agricultural and sideline food processing is often conflated with food manufacturing, yet a whole step separates the two. Food manufacturing makes finished products people eat and drink directly—coconut drinks, coffee, candy, biscuits. Agricultural and sideline food processing handles the stage before that: filleting freshly caught fish, coagulating tapped latex into rubber blocks, pressing harvested cane into raw sugar—turning raw materials from field and sea into intermediate products that can be stored, shipped and further processed. The former hugs the shelf; the latter hugs the raw material.

In Hainan this distinction matters especially. Mention Hainan's edibles and people think first of Coconut Palm's juice or Xinglong coffee—the calling cards of food manufacturing. But further upstream of these finished goods lies a larger, far less recognized primary-processing belt: tilapia netted from Wenchang's ponds, filleted, frozen and shipped to tables across the ocean; latex flowing from the tapping knife in the central mountains, coagulated, sheeted and dried in primary plants into feedstock for tyre factories; sugar mills in Lingao and Changjiang boiling cane into raw sugar during the crushing season. These three things—fish, rubber, sugar—never reach the shelf directly, yet form a real slice of Hainan's industry.

The Research Institute treats Hainan's agricultural and sideline food processing separately precisely because it follows a different logic from food manufacturing: food manufacturing competes on turning tropical raw materials into brands, while this sector competes on turning raw materials stably and value-addingly into intermediate goods. Under the Hainan Free Trade Port policy that exempts import duties on goods with over 30% value-added processing, this earlier step has taken on new weight—in 2023, the value-added of the province's above-scale agricultural and sideline food processing grew 28%, lifting above-scale industrial value-added by 1.4 percentage points, one of the year's standout industrial sectors. This report endorses no company's market performance; it simply maps the real structure of this primary-processing belt.

2. Tilapia: The Aquatic Backbone Held Up by an Export Fish

To weigh Hainan's agricultural and sideline food processing, look first at the aquatic primary-processing backbone—whose core is a fish called tilapia.

Hainan is a major fishery province. In 2023, its fishery output value reached 51.759 billion yuan, up 7.6% year on year; total aquatic output was 1.7724 million tonnes, up 4.1%. Such a volume of live raw material must be caught by onshore primary processing—and the weightiest category here is tilapia. Hainan's tilapia exports account for nearly 30% of the national total, making it the undisputed export hub for the category; in the first two months of 2025, tilapia and its products made up 93.4% of the province's total aquatic export value—almost the entire face of Hainan's aquatic exports.

Tilapia primary processing performs the most typical step of this sector: filleting, skinning and de-boning live fish into frozen fillets or strips, packed to export standard for shipment. It is not a finished product eaten directly, but an intermediate frozen good for overseas restaurants, supermarkets and food plants to process further. This chain of "live fish ashore, filleted on the spot, cold-chained overseas" binds farming, fishing, processing and cold chain into one—precisely the raw-material foundation behind Hainan's near-30% share of national tilapia exports.

3. Wenchang and Xiangtai: Reading the Chain's Depth Through a Fillet

The depth of the tilapia backbone is concentrated in Wenchang, and in a company called Xiangtai.

Wenchang is the province's largest tilapia-farming region, with pond-farming area at about one-third of the provincial total and farmed output at nearly half. Where the raw material is, processing grows—Wenchang's processing capacity rose precisely atop this farming heartland. The local Hainan Xiangtai Fishery is China's largest tilapia processor, a national key leading enterprise and a national model enterprise for agricultural product processing, with over 2,600 employees. It has woven feed production, fingerling breeding, deep-sea farming, processing and export into a vertically integrated full chain, with products sold to over twenty countries and regions including the United States, Europe, South America and Mexico.

Xiangtai's significance is in showing that Hainan tilapia can become an export-axis primary-processing leader with a complete chain. A live fish enters the plant and, through filleting, trimming, quick-freezing and packing, becomes a frozen fillet fit to cross oceans—and every upgrade in each step corresponds to higher demands on live raw material, preservation additives, freezing equipment and cold-chain logistics. Beyond tilapia, Hainan's prawn and golden pompano follow the same path of frozen primary processing, export and domestic supply combined, jointly thickening this aquatic backbone. Only once this backbone stands firm do the rest of Hainan's agricultural and sideline food processing pieces find their places.

4. Natural Rubber: Another Primary-Processing Chain That Never Enters the Mouth

Hidden within Hainan's agricultural and sideline food processing is a chain easily overlooked—its products go neither into the pot nor onto the plate, yet are unmistakably primary agro-forestry processing: natural rubber.

Latex tapped from rubber trees is an agro-forestry raw material that cannot be used directly; it must pass through primary plants—coagulation, sheeting, drying or concentration—to become standard rubber, smoked sheets or concentrated latex before going to downstream tyre and medical-product makers. This step of turning latex into rubber blocks falls squarely within agricultural and sideline food processing. Hainan is one of China's two major natural rubber production zones: in 2023, provincial natural rubber output was about 350,100 tonnes, nearly 40% of the national total; concentrated latex output alone accounted for over 80% nationwide, an undisputed national pole in this niche.

Holding up this chain is the Haikou-based Hainan Natural Rubber Industry Group. Listed on the Shanghai Stock Exchange in 2011, it is the only fully integrated natural rubber listed company in China's capital market; in 2023, through acquiring Hesheng Agriculture, it became the world's largest multinational group integrating natural rubber R&D, planting, processing and trade. Its annual processing volume is about 1.4 million tonnes, roughly 10% of global output; annual trading volume is about 3.8 million tonnes, backed by dozens of primary plants and production bases at home and abroad. A rubber firm that started in Hainan has taken primary processing and trade of natural rubber to the world's largest scale—itself the heaviest, yet least publicly known, piece of Hainan's agricultural and sideline food processing.

5. Sugar Refining and the Rest: Completing the Belt's Other Links

Gathering the parts beyond fish and rubber, Hainan's agricultural and sideline food processing has several more traditional yet indispensable primary-processing links—the most representative being sugar refining.

Rich in light and heat, Hainan has long been one of China's major sugar-producing regions, once setting a national record with a province-wide blended sugar-recovery rate of 13.9% in a crushing season. Sugar refining is likewise typical primary processing: pressing and boiling harvested cane into raw and white sugar. In the 2022/23 crushing season, the province's mechanized sugar mills crushed about 713,300 tonnes of cane, producing about 86,500 tonnes of sugar at a blended recovery rate of 12.13%; Lingao's Longli Sugar and Changjiang's Changjiang Sugar are the main processors on this chain. Cane acreage has shrunk in recent years and sugar refining is no longer at its peak, but it remains a traditional processing line rooted in the land and tied to cane farmers.

Beyond sugar, Hainan also has coconut primary processing—turning coconut flesh into shreds, milk and water as intermediate raw materials for downstream food plants, sitting at the opposite end of the chain from finished coconut food manufacturing—and tropical-fruit primary processing, turning fresh mango, pineapple and banana into pulp, dried fruit and frozen blocks that store and ship well. These categories vary in scale but jointly extend the spectrum of Hainan's agricultural and sideline food processing from the fish of the sea, the rubber of the hills and the sugar of the land to the coconut and fruit of the groves—forming a complete raw-material belt spanning fishery, forestry and agriculture.

6. Leading Firms and Upstream: Three Chains, Three Procurement Systems

Putting the pieces together, the structure of Hainan's agricultural and sideline food processing becomes clear: not a homogeneous industry, but three primary-processing chains of distinct character running in parallel—aquatic, rubber and sugar—each with its own leaders and its own system.

On the aquatic side, represented by Wenchang and Xiangtai, the work is export-oriented frozen primary processing; on the rubber side, represented by Hainan Rubber Group, it is latex primary processing for tyre and other downstream makers; on the sugar side, represented by the Lingao and Changjiang mills, it is traditional pressing tied to cane farmers. The three chains differ in raw material, process and downstream, so their upstream procurement needs split into several non-overlapping systems:

  • Live and agro-forestry raw materials: fingerlings and feed for tilapia and prawn, latex and coagulants for rubber, seed cane and planting inputs for sugarcane—each corresponding to entirely different raw-material ends, with concentrated demand and ever-stricter requirements on quality, specification and traceability;
  • Preservation, coagulation and processing aids: from preservation and chilling additives for fillets, to coagulation, anti-aging and anti-coagulation aids for latex, to clarification and decolorization aids for sugar refining—a steady buyer of various specialty chemicals and food-grade ingredients;
  • Packaging materials: inner and outer cartons and vacuum soft packs for export frozen fillets, baling film and pallets for standard rubber and sheets, woven bags and jumbo bags for raw and white sugar—varied in type and large in volume, an easily underestimated niche;
  • Primary-processing and freezing equipment: from tilapia filleting and de-boning lines and quick-freeze tunnels, to rubber sheeting, drying and granulation equipment, to sugar pressing, boiling and centrifuge gear—process categories span all three chains, with rich procurement layers;
  • Cold chain and warehousing: export frozen goods demand cold storage, cold-chain transport and port warehousing that grow in proportion to capacity, while standard rubber and raw sugar need large-volume ambient storage and transshipment.

Sales teams supplying upstream to these Hainan aquatic, rubber and sugar primary processors can use Tianxia Gongchang to filter the factory directory and decision-maker contacts along both the regional and industry dimensions of Hainan's agricultural and sideline food processing, turning the firm-by-firm canvassing across Wenchang, Haikou, Lingao and Changjiang—and across aquatic, rubber and sugar—into targeted client development.

7. Institute's View: Standing Upstream of the Finished Good, Value Lies in the Earlier Step

Assembling the three chains, Hainan's agricultural and sideline food processing takes a shape utterly unlike food manufacturing: it competes not for brands on the shelf but for transformation at the raw-material end—turning live fish into export frozen fillets, latex into rubber blocks at the world's largest scale, cane into raw sugar. Tilapia gives it nearly a third of national aquatic exports; natural rubber makes it first in the world for primary processing and trade; sugar refining lets it hold a traditional processing line tied to the land. Three chains, each with its own raw material, its own process, its own leader.

Its worries are written in those words "primary processing." An earlier step means closer to the raw material—and closer to price swings: tilapia exports face overseas technical trade barriers, exchange rates and shipping costs; rubber prices lurch with global supply and demand, squeezing primary-processing margins from both ends; cane acreage shrinks year by year, and sugar refining will not return to its peak. Sitting early in the chain, added value is inherently thin—an inescapable condition of primary processing.

The Research Institute's view: the true weight of Hainan's agricultural and sideline food processing lies not in how many fish it nets, how much rubber it taps or how much sugar it presses, but in whether it can make this earlier step more than "turning raw material into raw material"—whether tilapia can grow from volume frozen fillets into higher-value ready meals and seasoned fish products; whether the Free Trade Port's value-added duty exemption can keep more deep processing of rubber and aquatic goods on the island; whether sugar refining, amid shrinking scale, can pivot toward small-but-fine specialty and functional sugars. Standing upstream of the finished good does not mean standing downstream of value—how far this sector goes depends on whether it is willing, and able, to push that earliest step one stage further.

Data Sources

  • Tianxia Gongchang (Hainan agricultural and sideline food processing factory directory and industry data)
  • Hainan Provincial Government portal, 2023 Hainan Statistical Communique, and National Development and Reform Commission public data (2023 provincial fishery output value about 51.759 billion yuan, total aquatic output about 1.7724 million tonnes, above-scale agricultural and sideline food processing value-added up 28%, lifting above-scale industrial value-added by 1.4 percentage points)
  • Hainan Provincial Government portal, Hainan Department of Agriculture and Rural Affairs, and CNR reports (Hainan tilapia exports about 30% of national total, tilapia and products 93.4% of provincial aquatic export value in the first two months of 2025, Wenchang as largest farming region with pond area about one-third and output nearly half of the province)
  • China News Service, China Aquatic Products Processing and Marketing Alliance, and public reports (Hainan Xiangtai Fishery as China's largest tilapia processor, national key leading enterprise and national model enterprise for agricultural product processing, over 2,600 employees, vertically integrated full chain, products sold to over twenty countries and regions including the US, Europe, South America and Mexico)
  • Sina Finance, China Securities Journal, and public industry data (2023 Hainan natural rubber output about 350,100 tonnes, about 39% of national total, concentrated latex output over 80% nationwide)
  • Hainan Natural Rubber Industry Group public materials, Baidu Baike, and China Securities Journal reports (listed on Shanghai Stock Exchange in 2011, the only fully integrated natural rubber listed company in China's capital market, became the world's largest natural rubber planting-processing-trading enterprise after acquiring Hesheng Agriculture in 2023, annual processing volume about 1.4 million tonnes about 10% of global output, annual trading volume about 3.8 million tonnes)
  • Tangwang and Hainan sugar industry public reports (2022/23 crushing season mechanized mills crushed about 713,300 tonnes of cane, produced about 86,500 tonnes of sugar at a blended recovery rate of about 12.13%, once set a national record of 13.9% blended recovery rate, Lingao Longli Sugar and Changjiang Sugar as main producers)
  • Hainan Free Trade Port portal and Hainan Provincial Government portal (duty exemption policy for over 30% value-added processing, benefiting agricultural and sideline food processing and other sectors)