Black Top Sodium Citrate 1: 4 ESR Tube

Black Top Sodium Citrate 1: 4 ESR Tube. OEM/ODM Service Available: Supports full customization from samples, designs, or minor adjustments. Gamma Sterilization: PET tubes are sterilized by Gamma ray for clinical safety. 2-Year Quality Guarantee: Comprehensive quality guarantee period for all surgical supplies. Competitive Factory Price: Direct factory sales with strict quality control and professional QC team. Fast Sample Service: Free samples available with freight collected upon request. CE & ISO Certified: Products meet international standards with CE and ISO certificates. 24-Hour Quick Response: Professional team ensures quick response within 24 hours. Multiple Tube Options: Available in various additives and cap colors for different clinical needs.