No, it is not a typo… Shanzhai – which literally means “mountain stronghold” – refers to lack of state control and now by extension to China’s fake products and brands.
With time, the word took on a different meaning: once used to suggest something cheap or inferior, shanzhai now suggests to many a certain Chinese cleverness and ingenuity – some go as far as seeing it turning into a cultural movement. Lately, shanzhai was taken even to a higher level by the creation on the Internet of a television show mimicking the official channels’ key programs.
Behind this capacity to “emulate” goods, there are often OEMs. In the case of mobile phon(y)es, you would like find MediaTek a company producing mobile chips that are found in many of the knock-off products.