We have constandly improved product performances and developed new products Since established in may 1990 (converted to corporation in January 2003) Sunil Instrument co., ltd, has built the most competitive facilities and processes to manufacture Level instruments. Pressure Instruments. We have constandly improved product performances and developed new products through research and have built partnerships with many shipbuilders and seabome transporters of korea. We are currently exploring global markets based on out progressive and quality-based strategies. In particular, we manufacture various measuring instruments and alarm for ships, including ballast and draft level gauging system(Air Purge type & Electric Pressure type) Tank High & Overfill Alarm System, Water Ingresscertification, including ISO9001, for each of our products and established an affiliated technology R&D Center to support our endless challenge for the future