Web:https://www.nasalendotracheal.com Contact us:+86-1 5890169579 Email: leo@aileindus .com Henan Aile Industry CO.,LTD. High quality manufacturer from China. An injection needle is a medical device used to administer medications or fluids into the body or to withdraw fluids for testing. Injection needles come in various sizes and types depending on their use and the patient's needs. It's important to use sterile needles to prevent infections and ensure safe medical procedures. If you have any specific questions about injection needles or their usage, feel free to ask!