By having improved the quality of the products continuously we raised the market share in Korea up to about 50% in spite of other company' defence of their current market share.SAMHYUP PRECISION CO. - that is manufacturer of PNEUMATIC LIFT CYLINDER.We were separated from Dainong corporation, one of thelargest group in korean and established SAMHYUPlargest group in korea, and established SAMHYUPPRECISION CO. in 1997.