タイトルまたは説明

Test tube produced by "Hailun" are made from import and domestic PP/PS material. It has the advantage of smooth internal surface, bright and chemical endurable. Among all the materials, PP can bear the week-acid and alkli and high temperature. We supply kinds of test tubes with complete specifications. Kind: conical bottom, round bottom Specification: *2**0, *2**5, *3**5, *3**8, *3***0, *5***0