Our Services

Product Solutions

We manufacture and supply a complete range of aquaculture equipment:            
- Paddle wheel aerators (1.5kW – 3kW, 220V/380V, 50Hz/60Hz)         
- Solar-powered aerators (off-grid solutions for remote farms)          
- Automatic feeders (pneumatic, timer-controlled, capacity 300-500kg)           
- Stainless steel feed mixers (for powder, oil, and pellet blending)            
- Roots blowers & microporous aeration systems          

Technical Consultation

Not sure which equipment fits your farm? Our team provides free technical consultation:         
- Pond aeration design based on size, depth, and species            
- Equipment selection guidance (power supply, capacity, budget)         
- Installation support with manuals and video tutorials         
- 24/7 remote troubleshooting via WhatsApp          

OEM & Customization

We help you build your own brand: 
- Custom logo on products and packaging 
- Voltage/frequency customization (220V/380V, 50Hz/60Hz) 
- Customized wooden cases with your shipping marks 
- Product modifications based on your market needs 

Export & Logistics

We deliver to your door, anywhere in the world:         
- Flexible trade terms: EXW, FOB, CIF, DDP          
- Professional export packaging (ISPM-15 wooden cases)    
- Complete shipping documents for customs clearance         

Warranty & After-Sales

We stand behind our products:           
- 12 months warranty on main components         
- Fast spare parts supply via DHL/FedEx         
- Lifetime remote technical support         
- Video library on YouTube for installation and maintenance         

Quality Assurance

We are a certified manufacturer:   
CE certified products 
Factory tours welcome 

FAQ

Q

Do you have experience exporting to my country?

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A

We have exported to 30+ countries including: Italy,Poland, Philippines, Vietnam, Indonesia, Thailand, Malaysia, South Korea, Pakistan, Brazil, USA, Canada,Russia, Kazakhstan, Uzbekistan, and more. Please tell us your country - we can share customer references or shipping records.

Q

What is your after-sales support?

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A

We provide: 12 months warranty, free spare parts for quality issues during warranty, remote technical support(24h response on WhatsApp/Email), and fast spare parts shipping via DHL/FedEx. For distributors, we offer training materials and video support.

Q

Can your products be used in seawater?

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A

Yes. Our standard models use 304 stainless steel for frame and shafts, which is suitable for freshwater and low-salinity brackish water. For high-salinity seawater or long-term marine environment, we recommend 316 stainless steel upgrade (please specify when ordering).

Q

Do you provide installation instructions?

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A

Yes. We provide: English user manual (paper copy in the box + PDF file), installation video on YouTube (link sent via email), and remote support via WhatsApp for any questions during installation. For large orders, we can also arrange video call guidance.

Q

What is the difference between paddle wheel aerator and microporous aeration?

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A

Paddle wheel aerator: surface aeration, creates directional water flow, suitable for shrimp and shallow ponds (1.0-1.5m). Microporous aeration: bottom aeration, releases fine bubbles from bottom, suitable for deeper ponds (1.5-2.5m) and high-density farming. They can also work together as a combined system.

Q

How do Ichoose the rightaerator for my pond?

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A

Please provide: pond size (sqm or mu), average depth(m), target species (shrimp/fish), stocking density, and your local power supply (voltage/frequency/phase). We will calculate the oxygen demand and recommend the right model and quantity.

Q

Do you offer DDP shipping?

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A

Yes, we offer DDP door-to-door service to many countries including: Italy, Poland, Philippines, Vietnam,Indonesia, Thailand, Malaysia, USA, Canada, Russia, Kazakhstan, Uzbekistan. Please contact us to check if your country is covered.

Q

What is your shipping port?

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A

Main ports: Shanghai, Ningbo, Qingdao, Tianjin,Guangzhou. We can ship from the port most convenient for you based on your location and freight cost.

Q

Canl geta sample before bulk order?

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A

Absolutely. Sample order is highly recommended. Sample cost is refundable upon bulk order confirmation.

Q

How do you pack the products for export?

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A

We use ISPM-15 certified plywood wooden cases (no fumigation required). Each unit is fixed inside with foam padding, wrapped with stretch film. Waterproof lining and anti-rust treatment applied. Shipping marks (your logo, address, etc.) can be printed on cases.

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Sharon

Sharon

Lily Lee

Lily Lee

If you have already experienced our product, please let us know your true feelings. Your satisfaction is our driving force for progress, while your suggestions are our valuable asset for continuous improvement.

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Email: Lisa@whsjl.com.cn

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