Why there are so many Ruo Elisa kits from China?

Before 2006 most Research Use only Elisa kits came from USA. The most known suppliers are RnD Systems which is the leading suppler of Cytokine and growth factor Elisa’s, Eli pairs and matched antibodies. For recombination proteins the most knows supplier was Peprotech and for polyclonal antibodies Santa Cruz Bio-reagents from the Californian Coastal city […]