Tonbo™ is an innovative world-class manufacturer of biotechnology products. Founded in 2011 by a team of immunologists, researchers and industry leaders, Tonbo™ was conceived of a simple principle: giving back to the research community by providing high performance, value oriented products of the highest quality, and aligning ourselves through disciplined and innovative science with our customers, will allow us to create a unique value-oriented and technology-driven service. Acquired in November 2021 by Cytek Biosciences, Inc. Tonbo™ a Cytek® Brand holds true to our founding principles while combining our portfolio with Cytek® reagents and instruments. Tonbo™ products meet the highest standards of quality and performance. Our extensive line of products are designed to allow life scientists, clinical researchers, laboratory professionals and clinicians involved in basic science research and drug discovery to advance the frontiers of science through a better understanding of cellular function. We are located in the heart of the biotechnology industry in San Diego, California, USA.