Glass Syringe, Prefilled Syringe, Injection Pen manufacturer / supplier in China, offering V1 Disposable Insulin Pen 60u – Ready-to-Use Injection OEM, OEM Disposable Insulin Pen V1 60 Units Subcutaneous Therapy, CE ISO Approved, Medical Disposable 60u Insulin Pen V1 – Fixed-Dose Design OEM Branding Available and so on.