Bioassay Technology Laboratory(BT Lab) is a brand of Shanghai Korain Biotech Co Ltd specialized in lab supplies of ELISA kit, antibodies, protein for life science research. To meet every single need of the customer we aim to provide high quality at best price and service with our professional staff. Over the past ten years, we focus on improvement and update of our system and service. If you need any assistance, don't hesitate to let us know.