KOSCO Drainage System has been grown up together with our Customers since 2007 and Became one of the Major provider for the Drainage field system of which is Essentially required to Drainage construction works and we are the only manufacturer of Drainage Block board in Korea.KOSCO has made a name for themselves in the Local market as the technology Leader in the Drainage system and holding a new advanced andintegrated construction technology for Drainage system which was very often enough occurrence defect of the existing Drainage system. We are running a continuous R&D to make our top quality solution from the Innovative multi-Drainage system with the accumulated Know-How during long period since we have been established the KOSCO as total Drainage system provider.KOSCO.DS has its own production facility (the only in the industry), eliminating unnecessary distribution margins such as OEM production and consignment sales.We provide the best quality and service with the best raw materials and the best technology.Produced with the latest equipment in all processes to minimize defect rate, We produce only more sophisticated and durable products.Since it does not use low-cost Chinese-made recycled raw materials, it has the highest compressive strength among similar products.(Up to 33 tons per piece / Korea Institute of Construction and Living Environment Testing