A: the current market of magnetic jewelry. Some of this jewelry is processed with natural black gallstone, some of which is a strong magnet with a plastic package and then electroplated into the people who bought it are often long-term in the body, no one said there is a problem ah! And the test shows that the human blood circulation has a role in promoting. A lot of health care is also produced.
Second: NdFeB magnets do not contain toxic elements, can meet the EU RoHS standards.
In fact, my factory is the production of this powerful magnets, we are in contact with the magnets every day, our boss to do this line for decades, and did not see him usually what is wrong (that is, when the payroll action slow point).