ProteinTech is the benchmark for manufacturing original antibodies. With an emphasis on developing antibodies from whole proteins, ProteinTech provides researchers with unmatched reliability and reproducibility. Founded by scientists in 2001 after their continued frustration with failed experiments due to low-grade antibodies, ProteinTech is on a path to foster better science by producing the highest quality antibodies for every human protein.

ChromoTek, now a part of Proteintech inc., pioneered the development and commercialization of Nanobody-based research reagents. They are the global market and product leader for high quality and reliable Nanobody-based reagents, which assist our customers’ research. In addition, ChromoTek is a trusted service provider of custom-made Nanobodies for the pharmaceutical industry.