Caps and closures producer Bericap is targeting the fast-growing e-cigarette market with its e-smoCap for e-liquids and has launched a YouTube video to promote its consumer-friendly features. Childproof, the closure allows easy refilling of e-cigarettes through a long, narrow nozzle. The online video showed the structure of e-smoCap as consisting of three parts: Overcap, screwcap…