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The advantages of our Electric water heater products
1. our unique technique on inner tank
A. The inner tank is made of cold steel plate with wet enamel coating, it has superior skills to against corrosion, water scale, rust and water leakage, etc.
B. Single welded line on the inner tank, reduce the risk of water leakage. (usually others are 2-3 welding lines)
C. Inner tank can pass aciduric test, anti-alkaline test, tired test and nature environment test etc, multiple test process, no distortion or cracking.
Aciduric test: 15%vitriol FOR 48hours
Anti-alkaline test: 20%brine FOR 15days
Tired test:0.2Mpa-0.8Mpa, repeat 300,000times(ULstandard:100,000times)
Nature environment test: put all tanks outside insolation for 7days
D. We enamel two times, the thickness of the wet enamel is 0.3-0.5mm. (usually other manufacture enamel just one time and the thickness is 0.1-0.2mm)
E. Even the inlet and out let pipe also with wet enamel, this is the sole factory do in this way in china
2. 5years quality guarantee for tank.