Shenzhen Old Friend Kim Technology Co., Ltd. specializes in healthy electronic cigarettes, healthy pipes and other related products. we have engineers do OEM 10years in Design and Printing So, OEM is welcome! We integrate "Research and Development, Production, Sale, After Sale Service and Technology". Since our company established, we are always focused on the "e-health & safe cigarette" research and development, management and research. We are aiming at a multi-win situation with our partners, staff