Cartridge Supply Co. is a premium wholesaler of the highest quality vaping supplies at the best prices, guaranteed. We leverage forty years of product development and import/export expertise to bring our customers the best experience available. We rigorously and regularly test our suppliers + samples to ensure all of our products meet industry quality standards. We pride ourselves in our work and are pleased to offer a 100% replacement guarantee! With offices in Dalian, China, and Los Angeles, CA - we work around the clock to ensure that our customers receive the best service possible!