Guangzhou Cowater Aquaculture Equipment Co., Ltd.
Tailored RAS, Eco-Friendly Designs, One-Stop Service – Save Your Time & Money, Nurture Aquatic Ecosystems
Read MoreAbout Us
Professional Aquaculture Gear Maker
Cowater is a leading manufacturer of indoor aquaculture equipment, specializing in a variety of products designed by technical experts. Our offerings include filtration systems, microfilters, protein separation systems, vertical flow precipitators, biochemical filtration systems, sterilization systems, thermostatic control systems, oxygenation systems, and a range of other related products.
Company Establish
Technical Personnel
Customer Satisfaction
Export Regions
RAS System
Project Design & Equipment Support
Cowater Aqua has been designing recirculating aquaculture systems for decades. We’ve seen it all and have unrivaled experience in the field working with customers to create freshwater and saltwater RAS solutions.
One thing we’ve learned over the years – unlike our competitors – is that a one-size-fits-all approach doesn’t work. We understand that each project is unique, so we collaborate with customers to deliver a RAS system that’s tailored specifically for them. The one they want. The right solution. The right equipment. The right size.
Aquatic Filtration
Specialized filtration systems for koi ponds and aquariums, integrating 70μm precision filtration and biological purification technology, suitable for 0.5-100 ton water scenarios to ensure clear water quality and ecological stability.
Hot Products
Fish Farm Submerged Rotary Drum Filter
Fish Farm Rotary Drum Filter SDF-40, fully submerged, provides reliable mechanical filtration for clear water in aquaculture operations.
Get Best PriceSDF-40
Campact RAS System for Indoor Fish Farm
Fish farming equipment helps maintain relatively stable water quality and growth environment through water circulation and parameter adjustment. With modular configuration and automated operation, it can adapt to different farming scales and reduce the intensity of daily management.
Get Best PriceRAS-20
100m³/h Stainless Stell Rotary Drum Filter
Fish farming equipment helps maintain relatively stable water quality and growth environment through water circulation and parameter adjustment. With modular configuration and automated operation, it can adapt to different farming scales and reduce the intensity of daily management.
Get Best PriceRDF-100S
Rotary Filter-Auto Control & Low Maintenance
Fish farming equipment helps maintain relatively stable water quality and growth environment through water circulation and parameter adjustment. With modular configuration and automated operation, it can adapt to different farming scales and reduce the intensity of daily management.
Get Best PriceRDF-100
Fish farming equipment helps maintain relatively stable water quality and growth environment through water circulation and parameter adjustment. With modular configuration and automated operation, it can adapt to different farming scales and reduce the intensity of daily management.
Get Best Price
Fish farming equipment helps maintain relatively stable water quality and growth environment through water circulation and parameter adjustment. With modular configuration and automated operation, it can adapt to different farming scales and reduce the intensity of daily management.
Get Best Price
Fish farming equipment helps maintain relatively stable water quality and growth environment through water circulation and parameter adjustment. With modular configuration and automated operation, it can adapt to different farming scales and reduce the intensity of daily management.
Get Best Price
Fish farming equipment helps maintain relatively stable water quality and growth environment through water circulation and parameter adjustment. With modular configuration and automated operation, it can adapt to different farming scales and reduce the intensity of daily management.
Get Best Price
Service Support
Based on 10 years of experience and 450+project cases, we provide one-stop services for dealer cooperation, RAS system design, koi fish pond planning, seawater equipment integration, and water treatment optimization to meet the full cycle needs of large-scale aquaculture.
Dealer Cooperation
Provide regional exclusive agency for core equipment with installation training and after-sales support; share customer case database and marketing resources with tiered rebates and project profit sharing.
RAS System Design
Provide regional exclusive agency for core equipment with installation training and after-sales support; share customer case database and marketing resources with tiered rebates and project profit sharing.
Koi Pond Design
Provide regional exclusive agency for core equipment with installation training and after-sales support; share customer case database and marketing resources with tiered rebates and project profit sharing.
Seawater Equipment
Provide regional exclusive agency for core equipment with installation training and after-sales support; share customer case database and marketing resources with tiered rebates and project profit sharing.
Water Treatment Solutions
Provide regional exclusive agency for core equipment with installation training and after-sales support; share customer case database and marketing resources with tiered rebates and project profit sharing.
Customer Case
Large scale circular aquaculture industrial park
Large-scale RAS industrial park with 5000m³/d capacity, equipped with 70μm drum filter and UV sterilization module, achieving 90% water recycling and 80kg/m³ stocking density.
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Large scale circular aquaculture industrial park
Large-scale RAS industrial park with 5000m³/d capacity, equipped with 70μm drum filter and UV sterilization module, achieving 90% water recycling and 80kg/m³ stocking density.
Read More
Large scale circular aquaculture industrial park
Large-scale RAS industrial park with 5000m³/d capacity, equipped with 70μm drum filter and UV sterilization module, achieving 90% water recycling and 80kg/m³ stocking density.
Read More
Large scale circular aquaculture industrial park
Large-scale RAS industrial park with 5000m³/d capacity, equipped with 70μm drum filter and UV sterilization module, achieving 90% water recycling and 80kg/m³ stocking density.
Read More
Large scale circular aquaculture industrial park
Large-scale RAS industrial park with 5000m³/d capacity, equipped with 70μm drum filter and UV sterilization module, achieving 90% water recycling and 80kg/m³ stocking density.
Read More
Large scale circular aquaculture industrial park
Large-scale RAS industrial park with 5000m³/d capacity, equipped with 70μm drum filter and UV sterilization module, achieving 90% water recycling and 80kg/m³ stocking density.
Read MoreBlog & News
2025-12-27
Recently, Guangzhou Cowater Aquaculture Equipment Co., Ltd. (Cowater Aqua) made a brilliant appearance at the International Aquaculture Exhibition,
2025-12-27
Radial Flow Settler for RAS System: The Ultimate Pre-Filter Solution Before Drum Filter
Introducing the Radial Flow Settler, a state-of-the-art filtration system designed specifically for Recirculating Aquaculture Systems (RAS).
2025-12-27
Ozone Precision: How an 80g Oxygen-fed Generator & Smart Off-Gas Valving Transformed Food Wastewater
Left: Untreated wastewater with hazardous chestnut color (COD 2,150 mg/L). Right: Ozone-treated water achieving drinking-grade clarity (COD 89 mg/L) using OX-80 generator and V6 Off-Gas Valve.
Professional Aquaculture Gear Maker (10+Yrs Exp)