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Toper(Zhengzhou)IndustrialEquipmentCo.,Ltdisajoint-stockenterprise,whichislocatedinzhengzhou,capitalofHenanprovince.whichitsmainbusinessisengagedinconcretemixer,mobileconcretemixer,concretemixingplant,brickmachine,blockmakingmachine,lightpartitionboardmachine,hollowconcreteslabformingmachine,towercrane'sproductionandsale.