Name: QAL unpressurize solar water heater system Modle: QAL-CG-20 (White&red) Description Painted steel Solar Water Heater Iner tank Stainless steel SUS 304(0.31-0.6)mm Outer tank Painted steel Insulation Polyuerthane foam Tank diameter 460mm Tube quantity 20 tube 58x1,800mm Tank capacity 200L Lighted Area 3.12 mx2 Bath(people 1 day) 4-5 Angle 27°-45° CE, ISO, Keymark, five years warranty, 6 years export experience, manufacture since 2000 Set Including : 1 water tank + 1 bracket +30 Evacuated tubes What are your main products? Our company is factory in Tongyuan Industrial Park,Jiaxing City, can provide you Split pressurized solar water heater system (150L,200L,300L,400L,500L) Compact pressurized solar water heater system (150L,180L,200L,300L,360L) Compact Unpressurized solar water heater (150L 180L 200L 250L 300L 360L ) Compact pressurized Flat panel solar water heater system Solar water heater collectors More details,please email us. O ur company's website : www.china-nicesolar.com Our Add:Industrial Park of TongYuan Town,Haiyan,zhejiang Province,China. Fax:0086-0573-86617722 E-mail:qalsale3@china-nicesolar.com Skype: Mindy