We want to sample order. If your product can reach to our qualification guideline, we will order large quantity. We will order UV-C lamp as the follwing; (1) non Ozon type (2) diameter : 25mm (3) Length : 435 mm (4) Voltage : 220Vac 60Hz (5) Power consumption : 15W (6) Sample Quantity : 200 Units Please send Proforma Invoice to us. P.S. If you have any information about Electrical Ballast Manufacturer, Please let us know. Regards Peter Kim Enpia Korea co. Ltd.