Chongqing Tianbao Conductor Busbar Electrical Co.,Ltd. Is located in Chongqing ,Established in 2001 and have been involved in this field for more than 20 years.Tianbao is professional enterprise in searching and developing the electrical products and engineering.The main products includes:conductor rail system .bus duct system,cable festoon system, cable drag chain cable tray,lighting busbar and related accessories, our products used in mobile power supply for crane, electrical hoist .as well as factory,hi... [Detailed]