Distributor / Channel Partner of Chromatography Consumables - TOC Sample Vial, Miles Scientific - Analtech TLC Plates, Miles Scientific - ANALTECH TLC Get Price. CHROM4_Catalogue-2019_Web2.pdf. Aijiren, Beckman, Bruker, CTC/Leap, Perkin Elmer, Shimadzu,. Waters. Chrom4 is not an authorized seller of Aijiren branded parts and does not sell genuine Get Price. PerkinElmer