The cause of the accident:

 Backward welding technology caused welding line corrosion and water leakage
 Inner material with thin thickness is poor, leading corrosion and water leakage.

 Bottom line of inner tank that can be used: The Lifespan of inner tank must be more than 10 years because water  leakage will cause the trashiness of entire solar water heater.

 The inner tank of Himin selection the best material and applied the excellent process:
 бя Importing food-grade SUS304 stainless steel, high chrome (19%), high nickel(9%), great anticorrosion
 бя Argon arc welding technics ensure? the standard wilding line
 бя Cleaning welding region with? alcohol? before welding , the solid welding line is greatly corrosive for 10 years service  without problem .
 The inner tank of Himin ensures basic safety use, lifetime is guaranteed.
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