Eastern Business Forms manufactures diagnostic devices. It is a provider of 903 filter paper worldwide for diagnostic use and has extensive experience in the design and manufacture of 903 diagnostic devices and procedure packs. They manufacture a number of collection card formats including cassette-style cards suitable for automated DBS analysis. They also manufacture collection cards for dried urine and specimen collection kits. They offer customized kit services including all necessary components for collection, storage, and transportation of dried blood spots, enabling patients to get blood collection and analysis services. They carefully control the manufacturing process to ensure homogeneous composition, uniform thickness, flow rate, absorbency, and purity.