Specification：
● Preset system for automatic blood filling, simple and efficient.
● Automatic exhaust, no bubble residue, ensure the accuracy of test results.
● Calcium ions balance lithium heparin, fully anticoagulant, to ensure the accuracy and authenticity of the results.
● 1 mL or 3 mL Luer Lock Syringe is available.
● Safety device helps to reduce risk of infection.