Let us provide your needs! Browse our menu and email wholesale@gentlemansvapes.com for a catalogue! We have wholesale hash oil cartridges and Cartomizer to use on your pen! We offer consulting and other brand integration. If you need bulk vaporizers, oil atomizers, or handheld vapes - we can help. We use a standard eGo (aka 510) threading for maximum compatiblity and room for you to grow!