Recombinant Anti-PDGFR1 x Anti-VEGF Bispecific Antibody (Diabody) is designed to be expressed as two polypeptide chains respectively. The two chains are cross-over pairing to form a dimer. It contains a His-tag for affinity purification. This BsAb can bind two antigens simultaneously. It is designed for the research of Neovascular ocular disorders; Cancers therapy.