Hangsen never compromise quality. Hangsen high quality ingredients include 98% pure nicotine and USP graded PG/VG to guarantee the quality and safety of our products.
Hangsen deploy ISO9001 and GMP certified quality control system, and test every batch of product in full before delivery to ensure the quality and safety to reach the highest standard.
Hangsen pay attention to every detail. Hangsen quality controllers are deployed in every process throughout the factory, checking every position of the production line to minimize human error and thus ensure the perfect completion of the whole procedure from extraction to the finished products.