TOP1, Unigroup Group
Unigroup Group is a subsidiary of Tsinghua University, focusing on the field of IT services, currently China's largest integrated circuit enterprise.
TOP2, Huawei hisilicon
Founded in 2004, the company's products include chips and solutions for wireless networks, digital media, fixed networks and other fields.
TOP3, Changdian Technology
One of China's top 100 electronics enterprises, providing chip testing, package testing, package design and other full services.