\ISO9001,CE, We have 6 years in this fields, Provide OEM MAXSUN - DSFQ SPECIFICATIONS:Solar collector tube: 47*1500mm, 58*1800mm, 58*2100mm,AL-N-AL. Inner Tank: SUS304-2Bfood grade stainless steel. Outer Tank: Import nacre white armor plate/Colour steel Layer for heat preservation: polyurethane foamed Support material: Aluminum alloy Angle of support: <45°(customer requirement) Colour: Customer ...