Doosung Hi-Tech Corporation specializes in the production of automatic sliding doors for commercial use. The company has long experience in its field, holds 23 patents on its products, and has been ISO 9001 certified by Lloyds Register Quality Assurance.Doosung&＃39;s automatic sliding door control systems are suitable for all commercial applications, and are available in a variety of configurations. All employ high performance brushless DC motors to ensure years of trouble-free operation, while multifunctional processors allow full control of all operations. Optional security systems are available for card or keypad entry.Established in 1994, Doosung Hi-Tech Corporation is a privately owned company with registered capital of US$80,000 and total investment in operations of US$180,000. The company is located in modern, purpose built facilities in Seoul, where it employs a workforce of 24, including a 19-member strong engineering team. Worldwide exports account for around a quarter of annual revenues, which are well in excess of US$1 million.