Integrative solar water-heating Heat-collecting pipe: ó58-1800 and ó 47-1500 Glass tubes: common glass tube Core material: SUS304-2B cartable level stainless steel .pollution-proof Shell material: imported 304-BA mirage stainless steel board Heat-preserving layer: 40-60mm polyester by wholly mechanical press technology Holder material: 301 square stainless steel round pipe with much better weight and wine ensure Excellent quality with competitive price exported carton
