Shenzhen Promise Digital Technology Co., Ltd is a professional manufacture in CISS(Continuous Ink Supply System) since 2001．Such as Continuous Ink Supply System for EPSON、branded、HP、BROTHER and Refillable Cartridge、Bulk Ink Printer Chips、Toner Cartridge、Crystal、Heat Press Machine、Badge Machine、Water Transfer Technology.As an expert in this field , Shenzhen Promise Digital Science Co., Ltd is renowned of the high quality and reliability of its products and unrivalled customer support and the producs are exported to over 30 countries：such as Europe、 Southeast Asia、 Mid East and so on.