Xi Qin

Shanghai Simgui Technology Co., Ltd. manufactures semiconductor and related devices. The firm manufactures and markets silicon-on-insulator (SOI) and EPI wafers to the semiconductor industry worldwide. The company was founded in July 2001 by Xi Wang and Zhang Feng and is headquartered in Shanghai, the Republic of China.

Shanghai Simic Co., Ltd. is a private company based in Shanghai, China that manufactures silicone products.

Shenzhen King Brother PCB Technology Co., Ltd. designs and manufactures printed circuit boards. It provides buried magnetic pcb, design service, assembly, components sourcing, density multi-layer board, rigid-flex, thick copper, high frequency, metal based, aluminum, resistor buried pcb and module production products. The company was founded in 1997 by Shou Kun Wu and is headquartered in Shenzhen, China.

Shanghai Shangchuang Xinde Investment Management Co., Ltd. engages in the venture capital management. It offers investment consulting, investment management, and business management consulting services. The company was founded by Xi Qin on November 23, 2007 and is headquartered in Shanghai, China.

CYG Wayon Circuit Protection Co., Ltd. engages in the provision of electronic circuit protection solutions. Its products include integrated circuit, power metal oxide semiconductor field effect transistor, electrostatic discharge & electrostatic overstress protection, polymeric positive temperature coefficient, surface mount device fuse and over temperature protection devices. The company was founded on May 2, 1996 and is headquartered in Shanghai, China.

Shanghai Xinwei Technology Group Co. Ltd. functions as a foundation or endowment and is ultimately controlled by the Government of China. The private company is located in China.