香港六合彩特码网址|香港六合彩今日开彩东方新经

Welcom to Qingdao Donrex Co., Ltd. Offical Website!

Process

Qingdao Donrex Co., Ltd.

Contact Us

Add: 1408, building2, Noble plaza, No.328, Dunhua Road, Qingdao, China

Tel: 86 532 85800130

Fax: 86 532 85699926

Email: [email protected]

Sand casting process

Sand Casting Technology Process



Process design→Tooling designCoremaking→Mould assembling→Melting and pouringMould openingCuttingShot blasting→Grinding→Heat treatmentShot blasting→Inspectation→MachiningInspectation&Packing



Investment casting process

Precision Casting Technology Process



Process design→Tooling designWax injectionPattern RepairingTree AssemblyShell BuildingDewaxingMelting and PouringCuttingGrinding&StraighteningHeat treatment→Blasting&Pickling→Inspection→MachiningInspection&Packing

High pressure die casting process

High presssure die casting process



Process design→Tooling design→Mould assembling→Melting and pouringMould openingCuttingShot blasting→GrindingShot blasting→Inspection→MachiningInspection&Packing

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