... trade(dalian)co.,ltd, is a professional trade company trade in fireproof stuff.we have our own big ... precast blocks, tundish castables&self-flow castables, low-cement, ultralow-cement and cement free castables, converter&eaf gunning, converter lining repairing ... , castables for circulating fluidized bed boilers, castables for cement rotary kilns, convertor magnesium carbon matter hot repair stuff ...