Complex sentence: The Menksoft IMEs make use of private use areas (PUA) of Unicode and the Chinese GB 18030 code that form the so-called "Menksoft Mongolian code" (Chinese:).
Split into simpler sentences: The Menksoft IMEs make use of Private Use Areas (PUA) of Unicode and the Chinese GB 18030 code. That form the so-called "Menksoft Mongolian code" (Chinese:).