Shanghai VKEY Biotechnologies Co.,Ltd. Provides custom Labling services, including Antibody/Protein Labeling, Peptide Labeling, Small Molecule Labeling. Independently developed a series of high-quality fluorescent dyes for TR-FRET method development and our team has a wealth of experience. We have independently developed a series of fluorescent dyes for TR-FRET method development. Our team possesses a wealth of experience in these services.