Shijin Vapor | Major Vapour. SHIJIN: The ancient, mythical, far-eastern guardians of the North, South, East, and West. Shijin Vapor creates your liquids under rigorous quality control measures. Our premium e-juice is handcrafted in California, and we are committed to leading the industry with our safe production methods. We have a 2500 sf ISO 8000 certified clean room dedicated to the sanitary creation of the liquids you intake.