We are a professional enamel hot water tank / solar water heater manufacturer with ISO and CE certificate in Changzhou, China.

Specifications:
1. Inner tank:
1.1 Materials: Stainlesss steel or Enameled steel
1.2 Welding procedure: Completely auto welding;

2. Outer tank
2.1 Materials: Galvanized steel 0.4mm
2.2 Production procedure: Sheet are jointed-up after crimping;

3. Insulation layer
3.1 Materials: Polyurethane, environmentally friendly
3.2 Procedure: Using CNC constant temperature, constant pressure quantitative foaming, curing processing, thick insulation layer, ensure the quality more close, well-balanced, insulation more abiding.

4. Supporting stand
4.1 Materials: Color steel, 1.5mm
4.2 Tilt degree: 30 degree, 45 degree

5. Evacuated tubes
5.1 Size: 58mm - 1800mm
5.2 Absorber coating: AL-ALN or SS-ALN-CU

6. Packing: Export standard Cartons

Please note: Inner tank of NB-series is stainless steel SUS304, Inner tank of NC-series is enamel steel.