USB environmental electronic cigarette lighter design
Portable electronic cigarette lighters are also called electronic lighters. It consists of a built-in lithium ion battery and heating wire, charging circuit, battery protection circuit, and casing....
Shenzhen e-CIG Expo
Iecie e-cigarette exhibition, Shenzhen, started in 2015. At present, as a global e-cigarette exhibition with great influence and scale, it covers from the upstream parts supply chain of e-cigarette...