The material of each Antique Clock should be selected strictly, which is made according to the domestic and international quality standard. The main part is casting by pure cooper. The processing is curving, grinding, polishing, etc. Later it will be 24k electro gold-plating, silver-plating or other imported material plating by professional master.The quality is guaranteed, and it is durable. All the core is from imported well-know electronic quartz core (some are mechanical). The product is insured to be on-time and save energy. It is durable and perfect.