Shenzhen C-Tra Technology Co., Ltd is a professional & high-technology company that specializes in electronic cigarette research, production, development, sales and services. We enjoy a good reputation from our customers for high quality, competitive price, prompt delivery and best service. Since our founded, always devoted to the R&D and quality improvement, with a professional R&D team, skillful workers, a comprehensive quality control system and good after sales service. We have a wide range of products, including mini e cigarette, pen-style e cigarette, huge-style e cigarette and a series of e cigarette accessories.