SDTECH Co., Ltd. is a specialized manufacturer engaged in the research, development, and sale of high-temperature insulation materials and precision components, with a primary focus on the shipbuilding, marine, plant, and steel industries. The company continuously identifies and develops materials and components to meet customer specifications, contributing to energy savings and efficiency improvements across industrial operations. SDTECH specializes in high-performance insulation products — including ceramic wool blankets, boards, and paper — designed for use in extreme high-temperature environments ranging from 1,050°C (1,922°F) to 1,600°C (2,912°F), and operates an OEM production base in China under its proprietary brand, SDWOOL. The company also supplies a wide range of industrial heat-resistant materials, including mineral boards for power generation and refractory bricks for melting furnaces. Headquartered in Haman, Gyeongnam, SDTECH draws on extensive technical expertise and custom design and fabrication capabilities to deliver optimal insulation and refractory solutions across diverse industries. Through ongoing R&D and a commitment to quality innovation, the company is advancing toward becoming a global leader in high-temperature materials, growing alongside its customers.