borosilicate glass tubes: 1) Outer diameter: from 10 mm to 28mm ,2) WT from 0.5mm to 1.5mm,3) Standard length 1500mm 4) Good material for vials,ampoules,or artistic work, 5) Package: covered by shrink film,or by cartons or pallets,or as your requirement 6) MOQ : 5 mt 7) Terms of payment:30% T/T in advance,70% before shipment; 8) Deilvery time:within 20 days after receving your deposit 9) Supply Ability: 69000 tons per year