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Sistema de calentador de agua solar para caldera de cobre con serpentín de presión y CE
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150L 200L 250L 300L 360L 400L 450L 500L Mejor sistema de calentador de agua solar presurizado precalentado de acero inoxidable
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Precio al por mayor de caldera solar de tubo de vacío con intercambiador de calor de 150L 200L 250L 300L, calentador solar presurizado precalentado para el hogar, sistema de calefacción de agua caliente con energía solar
150l 200l 240l 300l 400l 500l Fresh water Evacuated tube solar boiler Pre-heated coil high pressurized solar water heater heating system Quickly guidance a, Free brand/LOGO print based on 20GP/40HQ quantity b, 1% free spare parts c, our factory audited by SGS, TUV and BV d, Sea Port: Shanghai or Ningbo e, Payment terms: T/T, L/C, Western Union f, Delivery time: 12 days after deposit in account g, Certificate: Europe Solar Keymark EN12976/CE/CCC/ISO9001/ISO14001/ ISO45001 .
