We produce pneumatic vacuum cleaners and cooling jacket. Our main customers are shipyards in Korea and export the products to worldwide. We started export from 2 years ago, total export will be increased step by step. Power of the pneumatic vacuum cleaner is compressed air only no electricity,so that vacuum cleaners are useful for cleaning water in the block when making new ships in shipyard after raining and useful for cleaning dust. Cooling jacket is useful for workers working in hot workshop and worker can work with cool condition if they wear the cooling jacket.