YooChang Pneumatic Machinery Co., Ltd. since its foundation on 1st of June, 1970, has been conducting a leading role as a manufacturer specialized in Air Compressor and Coater in domestic market. Our company passed design and efficiency test of Korea Occupational Safety and Health Agency in 1992 and also acquired "ISO9001 Certification" in December 1997, which demonstrates YooChang is a most qualified company in the industry concerned.Now under continuous R&D, we have developed MICRO COMPUTER SYSTEM, PRO-1100 and PRO-2200 and fitted them to SCREW AIR COMPRESSOR so that it enables full unmanned operation. Connecting with computer though "RS-485" communication method enables remote control in 1km round trip.On 31, August 1991, Our company established Coating Technology Center(CTC) in Incheon, and we do our best to realize unmanned automation, rationalization of Coating and to satisfy our customer&＃39;s demand. We will be your best friend and an ever-growing company.