You Zhu Equipment, a young high-tech enterprise, is developing in many fields, together with the old Yuanda Residential Workers and Sanzi, which are called the Troika in PC field. Although they are all in Changsha, they all have their own strengths. Yuanda has no equipment, and Sany only makes equipment. In addition to personal computers, the two companies are also involved in other fields. However, You Zhu is obsessed with the field of personal computer manufacturing.