Profile: SunMan Engineering, Inc. specializes in providing engineering services. We provide front-end engineering services, printed circuit board design services, prototypes and manufacturing, testing, mechanical engineering & packaging services. Our printed circuit board design service includes single-sided, double-sided, and multi-layer boards, power distribution, reference boards, radio frequency & design for testability. We provide thermal management which consists of forced convection cooling and natural convection cooling. This thermal design starts with specifying chassis level parameters such as inlet & exhaust vents location & percentage opening, fan sizing, and finally ends up into detail level board & package cooling such as heat sink & thermal interface material specification for every component on the board.