HANGSEN is the world’s largest E-liquid manufacturer and leading electronic cigarette manufacturer. We provide OEM products and services to the biggest retailers worldwide. Our products are being sold in over 80 countries across the globe and all our clients are guaranteed of the quality. The reasons that we are the No.1 manufacturer: All our products are made of the best and safest ingredients and materials The best products come from the best ingredients. We are the only manufacturer truly using natural tobacco ingredients in the industry. Our products deliver cigarette smoking sensation without the harmful ingredients, and the taste is far better than other products made of chemical ingredients in the market. We insist in using only top grade ingredients and materials, such as 98% pure nicotine, PG/VG from American Dow, Grade A battery and top quality PP plastic. We possess the most profound technical knowledge in the industry Technical strength is the key to our success. Our CEO is the first pioneer in E-liquid research and development. He invented the first recipe of E-liquid in 2004 and built the foundation of PG/VG combination in the E-liquid. In addition, our research and engineering teams have been in the industry since the first electronic cigarette emerged and have been involved in all major changes in the technology, from atomizer, cartomizer, to clearomizer, from 310 battery, EGO battery, to variable voltage battery, and we possess the know-how to produce the best quality electronic cigarettes. We deploy automatic production process as well as ISO9001 and GMP certified quality management system Quality is our focus. We follow international ISO9001 and GMP production practice to manage the process with the highest quality standard. Our 10,000 square meter factory is equipped with the most advanced production machines and testing devices to guarantee product consistency and production capacity. Every product batch is tested to ensure quality before it is sent out. Our management team brings experience from top multinational companies Our management team members – some who’ve worked for Goldman Sachs, Prologis, AMB and Foxconn – use their 10 years\\\' average experience to ensure the quality products and services we deliver to our clients.