TielingDongshengPetroleumMachineryCo.,Ltd.isamanufacturingenterprisespecializingintheresearch,manufacturingandsalesserviceofpetroleummachinery.

ThemainproductsofGUANGZHOUDRAGONWELDINGCO.,LTDareButtWelder,LongitudinalSeamWeldingMachine,InductionBrazingMachine,BarrelSeamWeldingMachine,etc

Mainbusinessofthecompany:BimetallicScrew&Barrel，ExtruderSingleScrew&Barrel，TwinScrew&Barrel，ParallelTwinScrew&Barrel. ZhoushanOushengdaPlasticMachineryCo.Ltd(TheoriginalZhoushanHuayuanPlasticMachineryManufactory)hasdevelopedintooneofthelargestmanufacturerthatspecializedinresearch,designandmanufactureofafullseriesofscrews&cylinders(barrels)andassemblypartswhichappliedforvariousplasticextrusionmachinesandinjectionmoldingmachineswithovertwentyyearsofhardefforts.

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