OEM factory since 1998 CE,ISO,CCC,SGS Samples welcome 5 years warranty and free training Feature: Low cost and no need high pressure material. Easy installation for flat roof or inclined roof; More safe and so hard enough to bear one people standing. Reliable and long lasting efficient Strong erosion-roof, no pollution to water Detail Specifications: Inter-tank: Food grade and high anti-corrosion SUS 304-2B stainless steel by auto welding & thickness: 0.5mm Outer-tank: Color Steel painted with corrosion layer &thickness: 0.5mm Insulation: 55 mm Polyurethane foam (heatápreservation 72hrs) Working pressure: 0Mpa(Testing pressure: 0.05Mpa) Flat collectors: Black chrome coating plate / Titanium(or Tinox) coating plate (Copper Connection: +22mm, 3/4ö) Bracket : Bracket: Hot galvanized steel painted with anti-corrosion layer & thickness:1.5mm Export cartons
