borosilicate glass tube:1Materials:glass2Any color you want3Acid resistance class: ISO1776-1 Alkali resistance class:ISO695-A2 About us:1.Number of Employees: Above 2000 people 2.Total Annual Sales Volume: About 46 million USD 3.Year Established: 1986 4.Our factory covers over 800 acres 5. We have 5 branch factories in China: Irene Perfume & Fragrance Factory (Heshan) Sanhe Glass Products Company ...
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