Where do I need to go to store my sperm and what is the exact approximate cost?

No money is needed, you need to go to the human sperm bank in the hospital for storage.

According to Article 13 of the Measures for the Administration of Human Sperm Banks, the collection and provision of sperm should be carried out in an approved human sperm bank. Without approval, no unit or individual may engage in the collection and provision of sperm. The collection and provision of sperm shall strictly abide by the Technical Specifications for Human Sperm Banks and the technical operating procedures formulated by the Ministry of Health.

Human sperm bank staff shall explain to sperm donors the use of sperm, how it is preserved, and the social and ethical issues that may arise. The human sperm bank shall sign an informed consent form with the sperm donor. Sperm donors can only donate sperm in one human sperm bank.

Expanded Information:

Related Requirements of Sperm Banks stipulate:

1, Sperm should be tested and screened after collection by the sperm bank. After six months of sperm freezing, after re-examination and passing, can be provided to the medical institutions approved by the health administrative department to carry out human assisted reproduction technology, and submit the test results to the medical institutions. Those that have not been tested or failed the test shall not be provided to the medical institutions.  

2. Sperm banks are strictly prohibited from providing fresh sperm to medical institutions. Sperm banks are strictly prohibited from providing sperm to medical institutions that are not authorized to carry out assisted human reproduction technology.  

3. A sperm donor's sperm can only be provided to a maximum of five women for fertilization. The human sperm bank shall establish a sperm donor file, computerize the details of the sperm donor and the use of sperm and keep them permanently.

Xinxiang Municipal Health Commission - Decree of the Ministry of Health of the People's Republic of China (No. 15) - Measures for the Administration of Human Sperm Bank