With continuous investment being made in the development of new materials, the creation of a new development environment and an extensive database consisting of measures to deal with unforeseen situations in the manufacturing process, SJ Tech is confident of becoming the leader in industrial seal production. Our products, which are manufactured in advanced facilities, have been widely recognized for their quality by customers at home and abroad. Our products are supplied to Festo Korea and other pneumatic cylinder manufacturers. Features With continued investment being made in the development of new materials, and the creation of a new development environment and an extensive database consisting of measures to deal with unforeseen situations in the manufacturing process, SJ Tech products are renowned for their high quality and durability. Application Manufacturers of hydraulic and pneumatic cylinders, pumps, swing bearing control valves and other equipment. Areas of Application Space ships, airplanes, ships, heavy equipment, vehicles, industrial robots, etc. Customers Hyundai Heavy Industries, Doosan Infracore, Volvo Korea, Parker Korea, Festo Korea, etc.