We've our have sales staff, style and design staff, technical crew, QC team and package workforce. We've strict excellent control procedures for each system. Also, all of our workers are experienced in printing field for 3000 Hit Disposable Vape, Oil Vape Cartridge , Clear Disposable Vape , Electronic Cigarette Battery ,E Cigarette Direct . Items won certifications with the regional and international primary authorities. For far more detailed information, please contact us! The product will supply to all over the world, such as Europe, America, Australia,Mongolia, London,Hamburg, Sierra Leone.To win customers' confidence, Best Source has set up a strong sales and after-sales team to deliver the best product and service. Best Source abides by the idea of Grow with customer and philosophy of Customer-oriented to achieve cooperation of mutual trust and benefit. Best Source will always stand ready to cooperate with you. Let's grow together!