How to recognize Hangsen liquid Hangsen has now become the most well known name in the global market as E-liquid manufacturer. We strongly feel proud of the recognition of Hangsen quality from consumers. We thrive to provide the best smoking experience to the worldwide e-smoking consumers with our stringent quality control and R&D capabilities. Our products are consistent in every batch with the aid of our in-house developed software and automatic production system. However we see more and more fake Hangsen products arise in the market, damaging the Hangsen brand name. These fake products are made by small Chinese manufacturers in uncontrolled and unqualified environment, with low quality ingredients. Yet they acclaim themselves as Hangsen products. These products, with bad taste and cheap quality, could potentially cause harm on human body because the low grade of ingredients and the production environment. We would like more and more consumers to enjoy the authentic HANGSEN products. The best way to recognize HANGSEN liquid is look at the bottles. HANGSEN bottles are patented worldwide by Hangsen Holding Co., Ltd, so if the liquid is contained in HANGSEN bottles it is authentic HANGSEN liquid. If not they MIGHT NOT be HANGSEN liquid. The next method is to compare these liquid with the HANGSEN bottled liquid. If they taste different, then we can tell those are fake products. So we would recommend all consumers to buy authentic HANGSEN products.