Grenco Science
Grenco Science is a company that specializes in manufacturing premium vape pens and portable vaporizers. The company was established in 2012 and is headquartered in Los Angeles, California. Grenco Science is a leading innovator in the world of portable vaporizers, always pushing the boundaries of technology to create the most advanced and user-friendly products. They offer a range of products, including the G Pen Elite II, a profound advancement in handy, ground material vaporization.