Specification: 1. Different materials: PET and glass 2. Various sizes from 1ml-10ml 3. Different function tubes: -- plain (no additive), -- EDTAK2/3 -- Sodium Citrate (1: 4), -- sodium heparin, -- Lithium heparin -- Sodium fluoride /potassium oxalate -- Pro-coagulation activator --Gel and pro-coagulation activator Packing: Neutral packing, OEM is available Lead time: Within 2-3 weeks. Depending on the quantity For big quantities, we can allow favorable discount.