tandem bites 

Creative Biolabs possesses unchallenged experience in antibody development and recombinant protein synthesis. Multiple platforms of Creative Biolabs are elaborately integrated for providing customers one-stop services for BsAb fragments development. Our cutting-edge techniques promise our BsAb products with not only high affinity and multiple valences to different targets, but also reliable safety for both academic and clinical applications.
https://www.creativebiolabs.net/bispecific-antibody-fagments-bsab-fragments.htm