Biomed is a professional manufacturer of lab supplier ,we have three main business,life science products:universal CPG frits column for DNA synthesis ,DNA extraction column ,spin column ,prepacked column for protein purification . chemisty analytical products: SPE cartridge ,QuEChERS kit ,aflatoxin column,AZO dye testing column,syringe filter,sample vials,membranes,frits ,filters .filtraction:filter for pipette tips,