The difference between national standard and non-standard
National standards for national standards. Technology is mature, good to do, but also easy to be replaced.Non-standard monopoly a bit mean, bad replacement, I prefer non - standard, no effort, can earn money!
Rather than the electrode is usually directly heated liquid. Poor safety performance.Should meet the national standard products.
You say is the electric hot water bag.In line with the national standard is "in the normal use of easy to touch or may become easy to touch the conductive liquid, should not contact with live parts. Electrodes are not used for heating liquids".
