Siny Medical is a quality heparin tube manufacturer & supplier from China. Purchase heparin tubes in bulk at wholesale prices. Contact Siny Medical for large-volume orders and discounts. We offer extensive customization options for EDTA tubes, ensuring that you receive exactly what you need. From tube sizes and labeling to additive concentrations, our team is dedicated to providing... https://www.sinymedical.com/heparin-tube/