Legal analysis: not illegal, but if the specific circumstances to determine.
Legal basis: "supervision and management of medical devices regulations" Article 63 of the following circumstances, by the people's governments at or above the county level, food and drug supervision and management departments confiscate the illegal income, illegal production and operation of medical equipment and tools used for illegal production and operation of equipment, raw materials and other items; illegal production and operation of medical devices less than 10,000 yuan in value, and impose 50,000 yuan more than 100,000 yuan fine; value of more than 10,000 yuan, and impose 10 times the amount of 20 times the amount of 10 times the amount of fine. The value of the amount of 10,000 yuan or more, and impose more than 10 times the value of the amount of 20 times the amount of the following fine; the circumstances are serious, the relevant responsible person and the enterprise will not be accepted within five years of the application for licensing of medical devices:
(a) the production and operation of medical devices without obtaining the certificate of registration of medical devices of the second class, the third class of medical devices;
(b) unauthorized to engage in the second class, Class III medical device production activities;
(C) unauthorized to engage in Class III medical device business activities.
The first paragraph of the preceding circumstances, the circumstances are serious, by the original licensing department to revoke the medical device manufacturing license or medical device license.