Ceramic Coil Vape Atomizers Cartridges 510 Thread Ceramics Glass Tank.Our electronic cigarettes are trusted by customers for their quality and longevity. They're eco-friendly, made from sustainable materials, and can be refilled multiple times for added value. This e-cigarette atomizer cartridge adopts ceramic coil technology, the smoke is fuller and no burnt flavor. And the e-cigarette cartridge can be filled multiple times, more environmentally friendly. The surface is made of PYREX glass and stainless steel, which is safer and healthier. Adopting the bottom oil filling design, which greatly reduces the possibility of oil leakage and is more convenient to use..syi