We would like to truly appreciate your constant interest and support. I am pleased to have an opportunity to introduce our company&＃39;s general business work to you. Since 1990, our company has been concentrating on only concrete building leakage, repair and maintenance. Through operating many kinds of leakage such as building, engineering works, road, and construction leakage under the 40 m of sea, We have been operating construction works based on belief of the best specialist in all kinds of leakage, repair and maintenance. Based on that belief, we have visited many factories for study all over the world. In the meantime, based on accumulated construction experience and delicate and excellent material, we would strive to meet and satisfy customer&＃39;s need and support. Through accumulated know-how and experience, we would go to international market. We deeply recognize that our achievement is from all your support and interest. Therefore, We would strive to become a company giving customer trust and confidence constantly. Company history20072007. 12 Awarded "The Commerce and industry minister prize"2007. 06 Participated in technological innovation development work (The Small and Medium Business Administration) 2007. 04 Joined EXPORT CLUB membership in Daejeon city, Chungnam province (The Small and Medium Business Administration) 2007. 02 Organize the part which is responsible for research and development (Quotation by KOITA) 20062006. 06 Selected as a promising mid-size company in export side by the small and medium business administration20052005. 11 Get a quotation from ISO2005. 11 Establishment of the first factory and start producing2005. 10 Get a prize of WTA from Daegeon city Gov. (Russia NOVOSIBIRSK) 2005. 02 Get permission for preservation and management of the facilities. 20042004. 11 Selected as a steering company by KITA Daegeon-Chungnam branch office20032003. 03 Open a branch office in Indonesia19991999. 04 Introduce the Special-T technology from U. S.1999. 03 Register as a trade society business19961996. 11 Selected as a Daegeon-Chungnam branch of Con&＃39;c structure repair and reinforcement research group1996. 07 Change the company as a corporation aggregate1996. 04 Introduce repair and reinforcement technology from Kuvasz Group (Germany) 19921992. 10 Introduce Japan Gonisi bond technology1992. 08 Establish Sam Won Grout