About product and suppliers:
            297 elisa assay products are offered for sale by suppliers on Alibaba.com

A wide variety of elisa assay options are available to you, 

There are 285 suppliers who sells elisa assay on Alibaba.com, mainly located in Asia. The top countries of suppliers are India, China, and India, from which the percentage of elisa assay supply is 1%, 94%, and 1% respectively.