wholesale Vacuum Blood Collection Tube Product Introduction No additive tube is used in blood collection and storage for biochemistry, immunology, serology, tests of various kinds of virus , microelement and blood preparation in medical inspection. It can maintain the normal compositions of serum for a long time. Moreover, it's helpful to reinspect serum with good repeatability. Parameter Properties: Blood Collection and Storage Brand Name: YULI or OEM Brand Material: Glass or plastic Size: 13*75mm / 13*100mm / 16*100mm Volume: 1-10ml Additive: Plain Time for complete colt retraction: 1.5-2h Centrifugation speed: 3500-4000r/min Centrifugation time: 5mins Recommended storage temperature: 4-25鈩? Advantage FAQ聽 Q: Why choose us? A: 1. We are professional factory with full export experience. It is sure you buy products from real professional manufacturer, you can get competitive price here. We make sure all qualified goods with high quality reach international standard 2. As experienced exporter, we can give professional advice in transportation method to reduce your cost. Q: How can I know my order production condition? A: After receiving down payment, financial confirmation payment letter will be given to you. If necessary, you will receive letters and photos from production department, quality department and package department, so that you can know your order condition. Q: How can I get urgent feedback? A: If you need contact with us urgently, please call us: 0523-88761888. We offer 24-hour online service. Q: What's your company sample policy? A: We can supply you with the sample for free, but the delivery charges will be covered by our customers. For avoiding the misunderstanding, it is appreciated if you can provide the International Express Account for Freight Collect. Shipping fee will be refunded once order confirmed. Q: What is the sample time? A: It is 2-7 days according to the different sample, but if we have the sample on hand, we can send you at once. Q: Can I print own logo on package? A: Sure. Customized package and OEM printing are available.wholesale Vacuum Blood Collection Tube website:http://www.yulimedical.com/blood-collection-tube/vacuum-blood-collection-tube/