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Name greycastironfloordrain Material greycastiron Packing packingofcarton,liningofPlasticbags Specification 12-4 Introduction QingDaoHuangJiCastingCo.,Ltdasalarge,domesticproductionbase,isaprofessionalplant specializinginmanufacturingofmalleableironpipefitting,ourcompanynowownmorethan200 employees,coversanareaof20,000squaremeterswithabuildingareaof6,000squaremeters. Withproductionequipmentandinspectionfacilitiesofmorethan50sets.Ourannualproduction capacitytops2000tons.Intheproductionprocess,weadoptadvancedmeltingtechnology“closed dustremovingcupola”“30mtenergysavingannealingfurnace”heattreatment.hotdipped galvanizationthroughupperheatinggalvanizationfurnaceaswellasadvancedmechanicalmachining. owningtoclosecheckthroughouttheproductionprocess,themalleableironpipefittingproducedand registeredbyourcompanywithAmericanBritishGermanystandardthreads,areensuredinqualityfor theirdurability,brilliantandsmoothsurface,geometricalprecisioninsize,guaranteedaccuracyand convenienceinusingandinterchangeability,theproductsarepopularinUSA,Germany,SoutheastAsia, Japan,TaiWan.andsoon