We're looking for a professional reliable supplier on the following: 1. Fish Tank Water Heating Unit - Required water heating temperature: from 17°C to 20°C. 2. Complete Fish Feed Production Line - Production capacity: 0.5 tons per hour. 3. Solar Power System (without batteries) - Current site power consumption: 600 × 380 = 228,000 watts - Required suitable power capacity: 500,000 kilowatts. 4. Closed or Open Circular Fish Tanks (Initial Quantity) - Diameter: 20 meters - Thickness: 1.5 mm - Height: 1.5 meters - Includes accessories (plastic cover, drainage system). 5. Plastic Cover (for large fish ponds) - Suitable thickness: 300–500 microns. 6. RAS (Recirculating Aquaculture System) - Annual capacity: 120 tons. Please send an official quote and include your company's credibilities, certifications, and previous projects accomplished such as images and videos, etc., detailed equipment list with model names and layout.