They are new type of energy saving lamp, with the patent technology of cold cahtode bulb. They have characteristic of energy saving, environmental protection and long life etc. The products are beautiful in structure and fresh in luster. It does not use liquid mercury and amalgam stead of zirconium-aluminium alloy, titanium-mercury alloy sheet. During the period of production it applies the process of high frequency induction current. So it can avoid mercury pollution and protect environment. It conforms completely to the relative requirements of EUROPEAN UNION(Direction on restricting to use some harmful substances on electrical and electronic equipment).