Ann ChengDa Technology Co., Ltd is a leading manufacturer of electronic cigarette in China. Since established in 2006, Ann ChengDa is specializing in the R & D, production and sale of Electronic cigarette with high quality and best price. With a long-term development strategy, rich experience and great R&D ability in the electronic cigarette field, we focus on product innovation and quality as the management concepts. All of our products are CE, ROHS, SGS, FCC certified and are selling well ...