Ningbo Tianyi Medical Appliance Co., Ltd. engages in the research and development, production, and sale of medical polymer consumables and other medical devices for blood purification and ward nursing fields in China, Hong Kong, Macao, Taiwan, and internationally. The company offers hemodialysis products, including blood tubing system, artis tubing set, hemofiltration tubing, AVF, hemodialysis concentrates, bicarbonate powder, hemodialysis powder, citric acid disinfectant; and CRRT consumables, such as customized tubing, low body weight hemofilters, plasma adsorber, MPS plasma separator, and effluent bag. It also provides single-use oxygen delivery tube, single-use oxygen nasal cannula, single-use oxygen tubing, single-use blood transfusion set, single-use burette-type infusion set with needle, and micro-adjustable infusion set. In addition, the company provides various services comprising technical identification, sterilization, clean workshop, contract technical development, and product research and development, and upgrading services; project management, cost-reduction solution, supply chain management, clinical consultancy and tracking, and sample production and testing services; and product registration support, prototype, and patent service, as well as invention program. The company was incorporated in 1998 and is headquartered in Ningbo, China.