Oukai(shenzhen) Electronic Technology Co., Ltd is a professional manufuture of electronic cigarette, e cigarette CE4, e-cigarette ego. We specialized in electronic cigarette research, design, development. Our main product is electronic cigarette, e-cigarette CE4, ego series, e-liquid and other related products. We are the only one factory who can use original cigarette filter tips to cover our atomizers and cartomizers; Base on years of experience and own 24 patents, OUKAI have become THE most advanced technology manufacturer company in electronic cigarette. Since establishment, our company has always focused on "health and safer e-cigarette" design and development, also have access to famous European scientific teams to research our product; With implementing ISO 9001: 2008 our quality is highly guaranteed, every procedure are strictly inspected and controlled by over 20 QC members.