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We are seeking vacuum tubes for solar collector systems to be used in commercial solar water heating applications. The products will be implemented in food industry facilities and hospitals located in Thailand.

Requirements:
- Application: Industrial-scale solar water heating systems
- Industry Focus: Food processing plants and healthcare facilities
- Key Requirement: High reliability for continuous operation
- Documentation: Technical specifications and quality certifications

Please provide:
1. Product specifications sheet
2. Minimum Order Quantity (MOQ)
3. FOB pricing
4. Production lead time
5. Warranty terms

Suitable suppliers with experience in solar thermal projects are preferred.

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.

request for quotation for solar water heating system 2500L tank with heat exchanger and 16 unit of solar thermal collector and 2 way mixing valve, 3 kW electric auxiliary heater, circulation pump, one way valve, expansion vessel