Of course it is transferable
1. To transfer the patent right, you should go through the procedures for changing the bibliographic items with the State Intellectual Property Office and submit a declaration of change of bibliographic items. In the "Service Area, Form Download" column on the home page of the State Intellectual Property Office website, there is the "100016 Declaration Form for Change of Bibliographic Items"
2. Pay the fee for change of bibliographic items within one month from the date of request. 200 yuan.
3. Supporting documents: If the patentee requests a change due to the transfer or donation of rights, he or she shall submit a transfer or donation contract. The contract is concluded by the unit and must be affixed with the unit's official seal or a contract-specific seal. When citizens conclude a contract, they must sign or seal it. If there are multiple patent holders, documentation proving that all patent holders agree to the transfer or donation should be submitted.
You can find the template of "Patent Transfer Contract" directly on Baidu's "Patent Transfer Contract", which is available in Baidu Library.
4. The "Declaration Form for Change of Bibliographic Items" and supporting documents ("Patent Transfer Contract") are mailed to the acceptance office of the State Intellectual Property Office via postal registered mail or EMS; the fee for change of bibliographic items is remitted to the post office. Charge Office of the State Intellectual Property Office. Note that the post office remittance form must state in the postscript column: "Patent number, bibliographic item change fee 200 yuan."