Zhidong Wang

GFR Pharmaceuticals, Inc. is a holding company that is engaged in the provision of cancer diagnosis and treatment services. It operates through the Medical and Extraction segments. The Medical segment manages a positive emission tomography scanner and rotary gamma ray stereotactic neurosurgery system imaging center. The Extraction segment provides extraction service and distribution of extracted ingredients for medicine manufacturing uses. The company was founded on December 18, 1996 and is headquartered in Xi'an, China.

SINA.com, Inc. provides Internet services. The firm provides news, sports, entertainment, fashion, travel, and technology information services. The company is headquartered in San Mateo, CA.

Beijing Dianfeng Technology Co., Ltd. engages in the provisin of second-hand car e-commerce transaction service platform in China. It integrates vehicle condition detection, online trading, after-sales logistics, financial credit, and warranty extension. It possesses 268V testing, easy replacement, commercial ICT (finance), line quality assurance and other service products. The company was founded in 2004 and is headquartered in Beijing, China.

Beijing Dianji Technology Ltd. provides Internet software services. It provides a real time communications platform. The company was founded by Zhidong Wang in December 2001 and is headquartered in Beijing, China.