
PROSI lists factory locations in Lao Cai, Bac Ninh, Dong Nai, Ben Tre, and other major agricultural production areas in Vietnam.


High-tech agricultural exporter specializing in spices and nuts
PROSI specializes in only five products namely CASSIA CINNAMON, STAR ANISE, PEPPER, CASHEW NUTS, and DESICCATED COCONUT. By choosing carefully fresh and fine materials, and employing a high-tech process, all finished products maintain the original aroma, flavor, and quality as a gift from nature.
PROSI focuses on five major Vietnamese agricultural products: cassia cinnamon, star anise, pepper, cashew nuts, and desiccated coconut. This specialization enables the company to develop strong product knowledge, dedicated processing systems, and consistent export quality.
The company’s factories are strategically located near major growing and production regions across Vietnam. Direct sourcing from farmers helps improve traceability, maintain a stable supply, reduce transportation costs, and offer competitive prices.
The company presents internationally recognized certifications and compliance systems including BRC Global Standard, Halal, Kosher Pareve, and U.S. FDA registration. These standards support access to demanding markets and strengthen food-safety control.
PROSI supplies more than 500 companies in over 80 countries, including customers in Europe, the United States, the UAE, India, Australia, Africa, and other Asian markets.
Real photos of our production facilities and growing areas



Quality control steps from raw material to delivery.

Raw materials are sourced directly from selected farmers and growing regions across Vietnam. Each source is evaluated according to origin, season, maturity, available volume, and buyer specifications.

Incoming materials are inspected for moisture, size, color, aroma, physical condition, impurities, and visible defects. Unsuitable or damaged materials are separated before processing.

Qualified materials are cleaned to remove dust, soil, stems, stones, shells, and other foreign matter. Depending on the product, this stage may include drying, shelling, peeling, cutting, splitting, or preliminary grading.

Each commodity is processed at a dedicated facility. Cassia may be cut, rolled, split, or ground; star anise is dried and graded; pepper is cleaned and classified; cashew nuts are shelled and graded; coconut is processed into desiccated coconut.

Products are sorted according to size, color, density, appearance, moisture, and quality grade. Finished goods are checked against customer specifications and relevant food-safety requirements before packing.

Approved products are packed in bulk, retail, or customized packaging according to the confirmed order. Each shipment is labeled, stored under suitable conditions, inspected before loading, and prepared with the necessary export documentation.
Products PROSI THANG LONG JOINT STOCK COMPANY promotes on ViRFQ.










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