■ Vacuum collector tube: high borosilicate glass, magnetron sputtering double-handle copper, nitrogen and aluminum absorption coating;
■ φ 47-1500mm, φ 58-1800mm, φ 70-2000mm; ;
■ Water storage tank: SUS304-2B imported food-grade stainless steel;
■ Shell material: Flash silver fluorocarbon plate, aluminum-plated zinc plate or color steel plate;
■ Insulation layer and thickness: imported polyurethane at constant temperature by computer, and foamed under pressure for 55-65 mm; ;
■ Supporting materials: high-strength galvanized sheet forming and plastic spraying;
■ reflector: poly grating;
■ Fasteners: stainless steel screws;
■ Sealing ring: polymer silicone rubber;
■ Reflection inclination: 38-45;
The price 1800 is still a good product, and the price is relatively cheap. The quality can be said to be very good and very durable.