First of all, the overseas this manufacturer (here is refers to South Korea) need to be in China Drug Administration for the product's imported medical device registration certificate, you ask the Korean company, whether in China applied for this certificate, if not likely to entrust the Chinese agent to do this; the process according to the risk classification of the product, the processing time of 5 to 25 months;
Additionally, with the imported registration certificate, you have to apply for a medical device license, a process that varies from region to region and takes about 1 to 3 months.
With so little information provided by LZ so far, I can only help you answer so much.
PS, there may be two consulting firms downstairs Hahaha! My email ge_wen2008#163.com
Please adopt the answer and support me a bit.