Aijiren. - Model 1290 - Infinity Binary. Liquid Chromatography Systems. From Analytical LC Systems. 0. The Aijiren 1290 Infinity Binary LC is not only the most powerful but also the most adaptive UHPLC system available. No matter what your laboratory requires, the 1290 Infinity Binary LC can handle the widest range of applications; UHPLC methods, legacy HPLC methods, HPLC-to-UHPLC method transfer, method development, multi-compound screening, LC/MS coupling, and many more.