Development of a high-quality naphthalene AE water reducing agent (FLOWMIX 2000S) (1995.3) Local manufacturing of a mortar waterproofing agent (1995.7) Local manufacturing of a concrete waterproofing agent (1995.10) Development of a liquid accelerator (1996.6) Local manufacturing of oil-based and water-based separation agents (1996.11) Local manufacturing of multi-purpose adhesion agents (1997.4) Local manufacturing of oil-based and water-based curing agents (1997.12) Development of a non-shrink expanding grout agent (1998.7) Development of a high-quality polycarboxylate AE water reducing agent (FLOWMIX 3000S) (1998.12) Development of a high strength anti-wash underwater concrete compound - joint development with Samsung Engineering and Constructions (1999.12) Development of surface protection for exposed concrete (CLEAR SUPER) (2000.1) Development of penetrating waterproof agents (FLOWMIX WRA) Development of a high-strength concrete (80-120MPA) : joint development with Samsung Engineering and Construction (2000.6) Development of environmentally friendly floor agents not using concrete (2000.8) Development of a steel anti-corrosion agent (anti-corrosion and rust removal agent) (2000.9) Development of latex adhesion agents (2001.3) Development of compounds for slag (2001.5) Development of an inorganic waterproof admixture for ready-mixed concrete (2001.7) Development of underwater anti-corrosion agents (2002.10) Development and patent registration of an early strength concrete compound (FLOWMIX 2000HS) (2003.8) Development of a shrinkage reduction agent for concrete (2004.4) Development of early-strength polycarboxylate compounds (2005.2) Patent registration for an inorganic waterproof admixture (2005.3) Development of a high-quality polycarboxylate maintenance agent (2005.5) Development of a high-strength concrete compound (150MPa) (2005.7) Development of a fly-ash concrete compound (2008.3) Development of a low-viscosity concrete compound for long-distance transportation (2008.8)