Inside a booth in an exhibition hall at the Shenzhen World Exhibition and Convention Center, Jiang Zhuyang and his colleagues explain to a crowd how AfterShokz headphones, which feature bone conduction technology, work to better protect user safety during sports while providing a quality listening experience.

在深圳世界会展中心展厅的一个展位内，蒋竹阳和他的同事向观众解释了采用骨传导技术的AfterShokz耳机如何在运动中更好地保护用户安全，同时提供高质量的聆听体验。

Monthly orders for products such as marine oil, heat conduction oil and synthetic grease were even overbooked, said Sinopec Lubricant.

Conduction devices often caused uneven heating.

"Red Rail" is the third maglev technology system after the normal conduction magnetic suspension technology and superconducting suspension technology.