Michael Keitz

QSIL GmbH Quarzschmelze Ilmenau engages in the manufacture of fused quartz products. It also specializes in the fusion of heavy wall cylinders, small and large diameter tubes, and the fabrication of customized products. Its products include cylinders, tubes, flat and oval tubes, rods and profiles, capillaries, fabricated quartzware, process tubing, and laboratory ware. The company was founded in 1992 and is headquartered in Langewiesen, Germany.

Qsil Ceramics GmbH develops, manufactures and distributes ceramic materials. The firm offers products such as molded parts, as fired, precision components, metalized components, assemblies, and tools. The company was founded in 1909 and is headquartered in Auma-Weidatal, Germany.

Part of QSIL SE, hightech ceram ® Dr. Steinmann + Partner GmbH is a German-based company located in Frankenblick. The company works with leading companies, institutes, and universities to develop innovative materials and solutions for various applications, including machine and apparatus construction, electrical engineering, and oven construction. The company's goal is to provide optimal solutions for their customers by adapting the properties of their materials to suit specific applications. The company was founded in 1990 and was acquired by QSIL SE on September 01, 2021. hightech ceram ® Dr. Steinmann + Partner GmbH specializes in industrial ceramics, including engineering ceramics, high-temperature ceramics, insulation materials, and wear protection.

QSIL SE manufactures and sells quartz glass products. The firm’s products and solutions include cylinders, tubes, rods and profiles, flat and oval tubes, twin an septum tubes, capillaries, fabricated quartzware, process tubes and SOL-GEL-products. The company was founded in 1992 and is headquartered in Langewiesen, Germany.