Tianjin Aser Biotechnology Co., Ltd. is a Sino British joint venture established in June 2013,As a professional companyTRAb reagent kit manufacturer,Main products:GADAb detection, ZnT8Ab kit, AChRAb kit, RSR AQP4Ab kit.

RSR Ltd Group is the largest shareholder of our company, established in 1982. Its predecessor was Dr. Bernard Reese Smith's laboratory at the School of Pharmacy, University of Wales, and currently has around 100 employees in the UK. In the past 30 years, the company has successively set up branches in the United States, Australia, Japan, India, South Korea, New Zealand, Brazil, Argentina, Chile, Scandinavia, South Africa, Singapore, Taiwan, China and other countries or regions. The company mainly develops and produces medical diagnostic reagents, especially in vitro diagnostic reagents for autoimmune thyroid disease, type 1 diabetes, neuroimmunity and adrenal autoimmunity. The United States and Japan are the main overseas markets.