42 Quality control for others; Technology inspection and testing in the field of product quality control; Product quality evaluation; Providing quality assurance services in the field of stationary battery power supplies, motherboards, keyboards of computers, computer game disks and cartridges, color video monitors, computer monitors, thin film transistor-liquid crystal display panels, cell phones, televisions, plasma display panel, coaxial cables, cover glass for microscope slides, LCD panel backlight, optical lens, optical sensors, touch panel module and optical glasses; Material testing; Product testing; Testing of raw materials; Testing and inspection of computers; Advisory services in the field of product development and quality improvement of software; monitoring of computer systems to detect breakdowns; Testing and inspection of computer hardware; Testing and inspection of stationary battery power supplies, motherboards, keyboards of computers, computer game disks and cartridges, color video monitors, computer monitors, thin film transistor-liquid crystal display panels, cell phones, televisions, plasma display panel, coaxial cables, cover glass for microscope slides, LCD panel backlight, optical lens, optical sensors, touch panel module and optical glasses