Who is being held in Huicheng District Detention Center? . How can I know the development of the case?

What do you mean by calling? Is it to check which detention center you are in or to check the progress of the case? If the case makes progress, you should call the local public security bureau and find the police in charge of the case, but the case under investigation generally won't tell you much ~ ~ If you are in the detention center, you will usually inform your family ~ ~ What do you mean? Make it clear ~ ~