
Venous Blood Specimen Collection Needles Butterfly Needles. Closed Blood Collection System: Ensures needle tube is not exposed, preventing secondary pollution and protecting the environment. Wide Gauge Range: Available in 20G to 27G to suit various blood collection needs. Ethylene Oxide Sterilization: All needles are sterilized using Ethylene Oxide for safety. OEM and Logo Customization: Professional design services available for custom logos and packaging. 100% Quality Inspection: Every product is checked before leaving the factory and during container loading. GMP Standard Workshop: Manufactured in a 50,000 square meter purification workshop meeting GMP standards. Fast Sample Delivery: Samples can be sent immediately if in stock, or within 2-7 days.