The vast majority of e-cigarettes consumed internationally are made in a Chinese factories, forming the foundation of a complex supply chain. These facilities often operate with a layered structure, featuring numerous sub-contractors specializing in specific parts – from the power sources to the

Shenzhen has become/is recognized as/stands as here the global epicenter/hotbed/powerhouse for vapor manufacturing. This booming/vibrant/thriving industry is fueled by/driven by/powered by a massive/significant/growing demand for electronic cigarettes/vapin