◆ the glisten cup’s design was based on structure of light source, and the curved face decides variety calibre based on different power.
 ◆ the structure made with cold rolled sheet, and after parkerizing process the surface process, then spray paint static.
 ◆the bulbs, electric wires were made by flame - resisting materials.
 ◆ complete size (straight pin: 2~6 inches; transverse: 4~8 inches), panel could be content to different demand, like pall, plastic ring and die-casting.