I.The lamp is based on Changxin palace lamp for the prototype. It was unearthed from the Han Tombs at Mancheng in Baoding city and has the concept of energy-saving and environment-protection, It was developed by three to one radio of palace lantern through comprehensive usage of solar energy and LED technology and can be used as symbol of Baoding concept of energy-saving and environment-protection. It implies the long life ,business prosperity and "a business cannot thrive without honesty ,a people can not stand without honesty"

II.The design of Changxin palace lamp is retractile and gorgeous. It is not only pinnacle work in China's ancient crafts, but also can be used as a manifestation to represent energy-saving and environment-protection concept in modern city and the essence of enterprise honesty development .The product's appearance has obtained national appearance design patent.