Welcome to Transpring! Transpring always believes that each and every one who consumes medical oil to relieve from pains and diseases deserves to have the most qualified device. In light of this goal, we combine technology innovation, intuitive designs and our clients’ actual needs to create medical vaping devices such as A3 cartridge, A4 cartridge, L0 battery, DP3 disposable vape pen, etc. Established in 2004, we have been devoting ourselves to the innovation and manufacturing of vape cartridges and preheating batteries. Over the years, Transpring has expanded into an enterprise with more than 300 employees and multiple production lines. Millions of clients around the world, especially those from the USA, Canada, Spain and so on, have been served by us. Our products with premium quality and warm service have been much favored by our clients. To serve our local customers better, we established Transpring USA in 2015. With 8 clerks located in California, we have provided our clients with efficient local services. So far, it has been our great honor that countless people around the world have relieved from pain after using our devices. This will definitely be the reason why we will constantly spare no effort to make people enjoy better life and make the world less pain.