COTAN TECHNOLOGY GROUP CO LTD is specializing in health electronic cigarette research, development, production, sale and service. Our company has many years of experience in e-tobacco industry. We have a registered brand - COTAN and have got independent export rights. All products have passed CE, RoHS, SGS, PSE, UV and K certifications. Advantages of our products: 1. We use electronic healthy mini-battery which has the advantage of longer usage than other similar products on the market. 2. With ergonomic design, we get more visual senses. 3. Using gas-sensing switch control (sensitivity and greater stability) 4. The adoption of a new intake stealth design (the product of more smooth appearance) 5. Smoke bombs use interface thread seal (no oil spill). 6. A number of cigarette smoke bombs can be a universal, user-friendly. With the tenet of "good faith oriented", we would like