Cheng Chien Chang

Kingmax Digital, Inc. engages in the design, manufacture and sale of memory modules. Its products include secure digital cards, micro secure digital cards, compact flash cards, pen drive flash disks, universal serial bus and micro secure digital card readers, and solid state drive. The company was founded on December 4, 2001 and is headquartered in Taipei, Taiwan.

Kingpak Technology, Inc. engages in the testing and sale of complementary metal-oxide semiconductor (CMOS) image sensor, CMOS image sensors (CIS) and integrated circuit packaging. It mainly focuses on consumer products, wearable products, safety monitoring & automobile related CIS packaging as well as video testing services. The company's products include CMOS image sensor, micro-electro-mechanical systems (MEMS), ball grid array (BGA), and system in package (SiP). Kingpak Technology was founded on May 8, 1991 and is headquartered in Taipei, Taiwan.