Over 1,000 Schools Nationwide using SwabTek to curb Cannabis and Nicotine use 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, 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 Professional Vape Tester is Crazy Vapes FRANK