Yi Hsien Tang

ProMOS Technologies, Inc. engages in the research, design, development, manufacture, and sale of memory products. It offers double data rate, double data rate 2 & 3, mobile and KGD double data rate synchronous dynamic random access memory products. It also offers bluetooth & radio frequency identification products and provides design, assembly engineering, testing and field application engineering services for memory products. The company was founded on December 12, 1996 and is headquartered in Hsinchu, Taiwan.

DenMOS Technology, Inc. develops, designs, and manufactures power management related components. The firm offers digital cameras, notebook computers, threading equipment, toys, hand tools, remote control aircraft travel, and action power. The company was founded in 2001 and is headquartered in Hsinchu, Taiwan.

SyncMOS Technologies International, Inc. designs and distributes integrated circuits and semiconductor parts. Its products include datasheet, SyncMOS selection, application notes, and limited material test report. The company was founded in 2001 and is headquartered in Hsinchu, Taiwan.

Welmore Investment Co., Ltd. is a Taiwanese company that provides investment services. The private company is based in Taipei, Taiwan. The company was founded in 2001.

Wei Mou Enterprise Ltd. is a Taiwanese company that specializes in the manufacturing and supply of knit fabrics, laces, and tulles.