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