... quality is strictly, obtained ISO13485 system certification Product Structure: Coat (medical grade polypropylene) + core rod + rubber piston (isoprene rubber) + ... : 1ML, 2ML (2.5ML), 3ML, 5ML, 10ML (12ML), 20ML, 30ML, 50ML (60ML)Product application, use: Our medical single use syringes are ... Ms Jinhui WangTel :86-0519-88911957Fax :86-0519-88677238Mobile: 13813568297 2.5ml medical hypodermic syringes