WHDF Concrete Inorganic Nanometer Anti-crack and Infiltration-reducing Agent series products are widely used in Hydraulic Engineering(flood-control engineering, irrigation engineering, shipping engineering, reservoirs and pond dam and other water storage engineering, hydropower dam engineering, etc.); Military Industry Engineering(underground military bases and the facilities, underground passages, underground war preparedness storage warehouses, underground military oil depots, etc.); Nuclear Power Engineering(costal nuclear power construction engineering, submarine transport engineering, underground nuclear power plant and its facilities,etc.); Traffic Engineering(railway engineering, highway engineering, river-crossing and sea-crossing traffic engineering,etc); Municipal Engineering (city bridges, flyovers, tunnel engineering, subway engineering, civil air defense engineering, underground parking lot and transport infrastructure engineering, etc.); Civil Engineering( anti-cracking and waterproofing projects for basements and roof concrete structure; anti-bleaching,anti-cracking and waterproofing mortar for exterior wall; underground facilities construction for the community,etc.), the demand for the treatment of cracks and seepage is huge, the huge demand of the market is the mission and responsibility of Tianyi employees. How big the market is, how widely the Tianyi WHDF will spread.