QSIL AG / Gewerbering 8 / D-98704 Ilmenau-Langewiesen / Germany
QSIL GmbH Quarzschmelze Ilmenau / Gewerbering 8 / D-98704 Ilmenau-Langewiesen / Germany
QSIL Nederland B.V. / H.M. Brouwerstraat 1 / 9672 AG Winschoten / The Netherlands
The QSIL is a leading producer of fused quartz products, which are sold under the trademarks ilmasil® and PH. From the factories in Germany and the Netherlands, its products are widely supplied throughout the global market. The sole focus of QSIL is the manufacture of fused quartz, including the fusion of heavy wall cylinders, small and large diameter tubes, and the fabrication of customized products.