Shenzhen Dongzhixin Technology Co.,Ltd. is specializing in developing, designing and manufacturing continuous ink supply system(CISS),refillable cartridge,bulk ink,ARC chips and resetter for Epson/HP/branded/Brother. Our brand Twin Color Baby sells well all over China, and has been exported to Europe, America, Africa and Asia. Meanwhile, we provide OEM cooperation for known brands. With our edge quality, price & services, we have become more and more favorable for choice in the world. With our professional R&D team and sales department, we focus on innovation through collaboration, and delivering excellence to our customers. We have a real passion and desire to make a positive difference. We wish to establish stable cooperation with clients from all over the world. If you are interested in any of our products, please feel free to contact us.