To give you the most helpful guide, please clarify what you mean by "Cina". "Cina" could mean a few different things:
Could you please clarify which of these topics you are looking for before an answer is provided?
: The country in East Asia (spelled "Cina" in Italian, Malay, and several other languages).
: A homeopathic remedy derived from the Levant wormseed plant, often used for children's ailments.