Implement standard: Iso 9187-1, ybb00332002, ybb00322002, gb2637-1995. Material: Low borosilicate, middle borosilicate, soda-lime. Types: Form b, form c. Sizes: 1ml, 2ml, 3ml, 5ml, 10ml, 15ml, 18ml, 20ml. Oem: Acceptable Packing details: Packaging word description: a small box which will be laid in prepared cartons, will pack empty glass ampoules directly, and then being Hold slightly with extremely thin plastic bag so that the glass ampoules will be free from dust and harmful things likewise. Then boxes will Be put into cartons regularly.