QSIL is a leading producer of fused quartz products, which are sold under the trademark ilmasil®. From the factory in Germany, 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, large diameter tubes, and the fabrication of customized products. Because of its unique plasma fusion process, QSIL is the only company with the ability to manufacture hollow cylinder (billets) using a single production step. With many years experience in the melting and fabrication of fused quartz, as well as having state of the art processing technologies and quality control equipment, QSIL has unique capabilities to supply its customers with products of the highest quality.
