Does Vaping Show Up on Drug Tests? TrueTest Labs Worker at a disposable vape factory tests up to 10,000 vapes a day An alarming investigation into Chinese disposable vape factories has uncovered a controversial practice that challenges our assumptions about product safety and worker conditions. At facilities in Vapes FRANK In a Shenzhen vape factory, workers test up to 10,000 vapes daily by puffing on them to ensure quality and functionality. This process was revealed in a documentary by the YouTube channel Machina,