紫光股份有限公司是主营信息产业的高科技A股上市公司（简称UNIS紫光股份，股票代码000938），是清华大学为加速科技成果产业化成立的全校第一家综合性校办企业。

3Com Corporation (3Com) provides secure, converged networking solutions on a global scale to businesses of all sizes. Its products and solutions enable customers to manage business-critical voice and data in a secure and efficient network environment.

是中央直属的专门从事计算机及相关产业发展的大型企业集团，成立于1986年。

北京华旗资讯数码科技有限公司成立于1993年，现有员工1900余人。除北京总部外，在全国设有十七家平台机构，五家海外分公司及多家国内分公司、子公司和研发中心，形成以华旗资讯为主体，研发与品牌推广为核心的集团型IT企业。业务涉及移动存储、数码影音、计算机配件、信息安全等多个领域。

Epson's history spans more than 100 years, with a heritage that began in watch making and led to the invention of the world's first quartz watch along with many other technology "firsts."

Sony: Believe that anything you imagine, you can make real.

Over the course of AMD's four decades in business, silicon and software have become the steel and plastic of the worldwide digital economy.

AMD公司成立于1969 年，总部位于美国加利福尼亚州桑尼维尔。AMD（NYSE: AMD）是一家创新的科技公司，致力于与客户及合作伙伴紧密合作，开发下一代面向商用、家用和游戏领域的计算和图形处理解决方案。AMD的业务遍布全球，拥有约为12000名员工。

From hard drives that power your organization's success to secure computer storage solutions, Seagate is the answer. Discover the computer hard drive and storage solutions your business needs to protect data, maximize efficiency and lead the industry.

From personal computing to small, medium or large business, Dell solutions come fully stocked. Find your solutions with Dell laptops, desktops, monitors, printers and computer accessories.