Class I refers to the routine management of medical devices is sufficient to ensure its safety and effectiveness.
The second class refers to its safety, effectiveness should be controlled medical devices.
The third category refers to implanted in the human body; used to support, maintain life; potentially dangerous to the human body, its safety and effectiveness must be strictly controlled medical devices.
Environmental class waste disposal equipment you have to see if your business license includes this aspect of the business scope, if not, bring a copy of the business license to the Industrial and Commercial Bureau to obtain a business license change form, according to the requirements to fill out the materials, within 30 days to the Tax Bureau for tax registration change procedures, note that the tax rate may change.