Shun Lam Tang

The Group's principal activities are selling and distributing medical equipment and health and beauty products. In March 2006, it discontinued the business operation of medicinal and winery products through disposal of subsidiaries. The Group's operations are carried out in Hong Kong and the People's Republic of China.

Pace, Inc. operates testing laboratories.

Viasystems Group, Inc. engages in the provision of complex multi-layer printed circuit boards and electro-mechanical solutions. The company was founded on 1996 and is headquartered in Costa Mesa, CA.

Part of HP, Inc., Vital Technology Pte Ltd develops systems that electronically facilitate product inspection. Vital Technology was acquired by HP, Inc. on October 07, 1997.

The Group's principal activities are the business of sales, development and implementation of structural information integration and analysis systems, non-structural knowledge integration systems, and knowledge management related network application systems and technology and provision of voice search engine portal. The Group is also engaged in investment holding with its operations mainly in Hong Kong and the People's Republic of China.

RDA Microelectronics, Inc. is a semiconductor company that designs, develops and markets wireless system on chip and radio-frequency (RF) semiconductors for cellular, connectivity and broadcast applications. Its product portfolio includes baseband, RF front-end modules, power amplifiers, transceivers, Bluetooth system-on-chip, Wi-Fi, Bluetooth and FM combo chips, FM radio receivers, set-top box tuners, analog mobile television receivers, China Multimedia Mobile Broadcasting mobile television receivers, walkie-talkie transceivers and Low Noise Block Downconverter satellite down converters. The company was founded by Vincent Tai and Shuran Wei in January 2004 and is headquartered in Shanghai, China.

Asia Coal Ltd. is an investment holding company, which engages in the coal mining and coal trading business. The company was founded on August 22, 1997 and is headquartered in Hamilton, Bermuda.

Beijing Tianyu Communication Equipment Co., Ltd. manufactures mobile phones and other related communication equipment. Its business activities include developing communication equipment and its technology, promoting technology, repairing mobile phones, and trading of cargos and technology. The firm was founded in April 16, 2002 by Xiuli Rong and it is headquartered in Beijing, China.

Coolsand Holding Co. Ltd. provides baseband services.

Vital Profit Technology, Inc. provides investment services.

Part of Vital Profit Technology, Inc., Beijing Benywave Technology Co. Ltd. is a Chinese company that manufactures and markets battery packs.