Uwell Coils and Pods are compatible with a variety of kits including the KOKO, Caliburn, Nunchaku, Crown and Valyrian. Find coils for your tank here! Shenzhen Uwell Technology Co., Ltd. was founded in 2015. They specialise in the R&D and production of vape products. Over the years, UWELL has insisted on pursuing technology with ingenuity, taking great flavour as the key point of product development and enterprise development. This is why UWELL has become symbol of QC in the industry and exists as a benchmark enterprise in the electronic cigarettes market.