Estabilished as Kongseong Precision Co., Ltd. , on July 7th 1970, Kongseong has been taking the leading in the piping work too and instruments for the last 39 year. In march 1973, we invented the automatic screw-cutting tool first in Korea contributing reducing the production cost and promoting the industrial development. We also try to extend our business as the world-renowned pipe work tool maker through the unceasing efforts to develop technology and firm determination to be a model of the true artisanship. The product of our company is securing the market share of 60% or more from Korea.