Does Jiameikang high potential metallurgical instrument really have a national accreditation certificate?

There is a certain effect, otherwise the manufacturer will not produce or hold a free physical examination, but it is impossible to treat insomnia, constipation, headache, dizziness, hypertension, arteriosclerosis, arthritis, gastrointestinal diseases and so on. A large part of it is just psychological effect, and at most it is just preventive health care. The side effects and hazards are not clear, so please purchase with caution.