Global Biofloc & RAS Provider
Turnkey Biofloc & RAS Fish-Farming Systems
HDPE/FRP/PVC tanks, roots blowers, oxygen cones, drum filters and water-quality monitors — engineered, shipped worldwide, with on-site installation support.
- 15+ yrs
- Aquaculture engineering experience
- ISO 9001 · CE
- Certified manufacturing
- OEM / ODM
- Custom builds to your spec
- 1 container
- Full farm kit, shipped worldwide
What we build
Aquaculture equipment for every stage
Aquaculture Tanks
HDPE, PVC, FRP & galvanized tanks — all series, shippable in one container.
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Oxygen & Aeration
Roots blowers, paddle-wheel aerators, oxygen cones and nano diffuser pipes.
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Biofloc Systems
Turnkey biofloc setups for high-density tilapia & shrimp culture.
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All Products
Full catalogue: tanks, filtration, RAS, monitoring, feed and pond solutions.
Explore →Featured equipment
Popular with fish farmers worldwide
Durable HDPE fish-farming tanks — on-site welding, 15-year liner, lower cost than earthen ponds. Any diameter & depth. SIGMA ships worldwide. Get sizes & a quote in 12h.
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Modular PVC fish-farming tanks — quick assembly, energy-saving, food-safe liner, lower cost than concrete. Any size for biofloc & RAS. Factory-direct from SIGMA. Get a quote.
View details → Energy-efficient paddle wheel aerators for shrimp & fish ponds — strong circulation & oxygen transfer, durable impellers. Multiple sizes, factory-direct from SIGMA. Get a quote.
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High-efficiency roots blowers for biofloc, RAS & pond aeration. Direct-from-factory pricing, multiple capacities, worldwide export. Request specs & a quote from SIGMA engineers.
View details → Complete recirculating aquaculture (RAS) systems: drum filters, biofilters, oxygen cones, pumps & monitoring. Custom-designed for your species & volume. Manufacturer-direct. Get a quote.
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Self-cleaning rotary drum filters for RAS & aquaculture — automatic solids removal, multiple flow rates & micron options. Factory-direct from SIGMA. Request sizing & pricing.
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Oxygen / Speece cones that dissolve pure O2 for high-density RAS & biofloc farms. High transfer efficiency, multiple capacities. Manufacturer-direct from SIGMA. Request specs & a quote.
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Moving-bed & media biofilters for RAS and aquaculture — high surface-area media, stable nitrification, removes ammonia. Custom sizing, factory-direct from SIGMA. Request a quote.
View details →One-stop solution
From farm design to daily operation
Biofloc Technology
With high fish stocking densities, nutrients from feed accumulate in the water because little is exchanged — that is where biofloc technology comes in.
Farm Equipment
All series of tanks available in both HDPE and PVC. Every piece of equipment can be shipped in one container to your country.
Operation Guide
Our engineers have more than 15 years of experience in the aquaculture industry, especially with tilapia and shrimp.
Export cases
Delivered to farms across the globe
Start your aquaculture farm plan now
We supply all equipment for biofloc and circular fish tanks — root blowers, PVC pipes, aeration hose, generators and pumps — plus fish-farm drawing design, daily operation guides and overseas installation support from our technicians.