Unlike most of our competition, we offer three types of castings – aluminum sand casting, gravity die casting and aluminum die casting. We can also provide tooling, CNC machining, polishing, plating, heat treatment, pressure test, vacuum Impregnation, assembly and testing for your orders.
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Dongrun Sand Casting offer three types of castings – aluminum sand casting, gravity die casting and aluminum die casting. We can also provide tooling, CNC machining, polishing, plating, heat treatment, pressure test, vacuum Impregnation, assembly and testing for your orders.

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  • Gas station and other equipment components 09
    Part Name: Chill casting part
    Material: A356, A319, EN AC -Al Si7Mg, EN AC-Al Si10Mg, EN AC- AlSi5Cu,EN AC- AlSi9Cu, ZL101, ZL104,ZL107
    Weight: 0.50kg/pcs
    Description: 1. Chill casting part is made from aluminium alloy, which is suitable for Moto parts.
    2. Full inspection on all dimensions, characteristics, and notes on drawing for each sample submitted.
    3. Process Flow Diagram, Design FMEA, Process FMEA, Control Plan, Material Specifications 4. Further machining work: turning, cutting, milling, grinding
    5. Surface finish process: polishing
  • Gas station and other equipment components 10
    Part Name: Permanent mould casting part
    Material: A356, A319, EN AC -Al Si7Mg, EN AC-Al Si10Mg, EN AC- AlSi5Cu,EN AC- AlSi9Cu, ZL101, ZL104,ZL107
    Weight: 0.50kg/pcs
    Description:1. Permanent mould casting part is made from aluminum alloy, which is suitable for Moto parts.
    2. Full inspection on all dimensions, characteristics, and notes on drawing for each sample submitted.
    3. Process Flow Diagram, Design FMEA, Process FMEA, Control Plan, Material Specifications 4. Further machining work: turning, cutting, milling, grinding
    5. Surface finish process: polishing
  • Gas station and other equipment components 12
    Part Name: Actuator
    Material: A356, A319, EN AC -Al Si7Mg, EN AC-Al Si10Mg, EN AC- AlSi5Cu,EN AC- AlSi9Cu, ZL101, ZL104,ZL107
    Weight: 0.50—5.50kg/pcs
    Description:
    1. Actuator is made by aluminum alloy gravity casting.
    2. Full inspection on all dimensions, characteristics, and notes on drawing for each sample submitted.
    3. Process Flow Diagram, Design FMEA, Process FMEA, Control Plan, Material Specifications 4. Further machining work: turning, cutting, milling, grinding
  • Gas station and other equipment components 13
    Part Name: Sand-cast aluminum
    Material: A356, A319, EN AC -Al Si7Mg, EN AC-Al Si10Mg, EN AC- AlSi5Cu,EN AC- AlSi9Cu, ZL101, ZL104,ZL107
    Weight: 2.50kg/pcs
    Description:1. Sand-cast aluminum is suitable for truck parts.
    2. Full inspection on all dimensions, characteristics, and notes on drawing for each sample submitted.
    3. Process Flow Diagram, Design FMEA, Process FMEA, Control Plan, Material Specifications 4. Further machining work: turning, cutting, milling, grinding
    5. Surface finish process: shot blasting
  • Gas station and other equipment components 14
    Part Name: Aluminum gravity casting
    Material: A356, A319, EN AC -Al Si7Mg, EN AC-Al Si10Mg, EN AC- AlSi5Cu,EN AC- AlSi9Cu, ZL101, ZL104,ZL107
    Weight: 1.50kg/pcs
    Description:1. Aluminum gravity casting is suitable for machinery parts.
    2. Full inspection on all dimensions, characteristics, and notes on drawing for each sample submitted.
    3. Process Flow Diagram, Design FMEA, Process FMEA, Control Plan, Material Specifications 4. Further machining work: turning, cutting, milling, grinding
    5. Surface finish process: shot blasting
  • Gas station and other equipment components 15
    Part Name: Aluminum alloy die casting
    Material: A380, A390, AlSi9Cu3, EN AC-Al Si10Mg(Fe), EN AC-Al Si12(Fe),
    EN AC-AlSi12Cu1(Fe), ADC10, ADC12
    Weight: 1.50kg/pcs
    Description: Aluminum alloy die casting is made by hot chamber machine, and then dills, taps and shot blasting process.
  • Gas station and other equipment components 16
    Part Name: Aluminium gravity casting
    Material: A356, A319, EN AC -Al Si7Mg, EN AC-Al Si10Mg, EN AC- AlSi5Cu,EN AC- AlSi9Cu, ZL101, ZL104,ZL107
    Weight: 1.50kg/pcs
    Description:1. Aluminium gravity casting is suitable for machinery parts.
    2. Full inspection on all dimensions, characteristics, and notes on drawing for each sample submitted.
    3. Process Flow Diagram, Design FMEA, Process FMEA, Control Plan, Material Specifications 4. Further machining work: turning, cutting, milling, grinding
    5. Surface finish process: shot blasting  
  • Gas station and other equipment components 17
    Part Name: Aluminum die casting alloy
    Material: A380, A390, AlSi9Cu3, EN AC-Al Si10Mg(Fe), EN AC-Al Si12(Fe),
    EN AC-AlSi12Cu1(Fe), ADC10, ADC12
    Weight: 2.50kg/pcs
    Description: Aluminum die casting alloy is made by hot chamber machine, and then dills, taps and shot blasting process, which is suitable for Moto parts
  • Gas station and other equipment components 18
    Part Name: Gravity aluminum casting
    Material: A356, A319, EN AC -Al Si7Mg, EN AC-Al Si10Mg, EN AC- AlSi5Cu,EN AC- AlSi9Cu, ZL101, ZL104,ZL107
    Weight: 5.50kg/pcs
    Description:
    1. Gravity aluminum casting is suitable for machinery parts.
    2. Full inspection on all dimensions, characteristics, and notes on drawing for each sample submitted.
    3. Process Flow Diagram, Design FMEA, Process FMEA, Control Plan, Material Specifications 4. Further machining work: turning, cutting, milling, grinding
    5. Surface finish process: shot blasting
  • Gas station and other equipment components 19
    Part Name: Gravity aluminum alloy casting
    Material: A356, A319, EN AC -Al Si7Mg, EN AC-Al Si10Mg, EN AC- AlSi5Cu,EN AC- AlSi9Cu, ZL101, ZL104,ZL107
    Weight: 5.50kg/pcs
    Description: 1. Gravity alloy aluminum casting is suitable for machinery parts.
    2. Full inspection on all dimensions, characteristics, and notes on drawing for each sample submitted.
    3. Process Flow Diagram, Design FMEA, Process FMEA, Control Plan, Material Specifications 4. Further machining work: turning, cutting, milling, grinding
    5. Surface finish process: shot blasting
  • Gas station and other equipment components 20
    Part Name: Aluminum foundry
    Material: A380, A390, AlSi9Cu3, EN AC-Al Si10Mg(Fe), EN AC-Al Si12(Fe),
    EN AC-AlSi12Cu1 (Fe), ADC10, ADC12
    Weight: 5.50kg/pcs
    Description: Aluminum foundry is made by pressure casting, and then dills, taps and shot blasting process, which is suitable for Moto parts.
  • Gas station and other equipment components 21
    Part Name: Foundry casting
    Material: A356, A319, EN AC -Al Si7Mg, EN AC-Al Si10Mg, EN AC- AlSi5Cu,EN AC- AlSi9Cu, ZL101, ZL104,ZL107
    Weight: 10.50kg/pcs
    Description:1. Foundry casting is made by sand cast process.
    2. Full inspection on all dimensions, characteristics, and notes on drawing for each sample submitted.
    3. Process Flow Diagram, Design FMEA, Process FMEA, Control Plan, Material Specifications 4. Further machining work: turning, cutting, milling, grinding, CNC machining.
    5. Surface finish process: shot blasting
  • Gas station and other equipment components 23
    Part Name: Aluminum alloy gravity die casting
    Material: A356, A319, EN AC-42100, En AC-42200, EN AC-43000, EN AC-43300, EN AC-46200, EN AC-46600, ZL101, ZL104, ZL107
    Weight: 1.00—3.00kg/pcs
    Description:1. Aluminum alloy gravity die casting is with 60Bar Air Pressure under Water, Precision Molds and Tooling, Suitable for gas equipments.
    2. Full inspection on all dimensions, characteristics, and notes on drawing for each sample submitted.
    3. Critical dimensions, Bracket locations, Cleanliness, Leak Test.
    4. Process Flow Diagram, Design FMEA, Process FMEA, Control Plan, Material Specifications 5. Further machining work: turning, cutting, milling, grinding, drilling, reaming and threading
    6. Surface finish process: Polishing and Vibratory Finishing
  • Gas station and other equipment components 25
    Part Name: Cast part with inserts
    Material: A356, A319, EN AC-AlSi7Mg0.3, EN AC -AlSiMg0.6; EN AC-AlSi10Mg (a), EN AC- AlSi10Mg (Cu), EN AC-AlSi9Mg, EN AC-Al Si10Mg (Fe), EN AC- AlSi5Cu, EN AC-Al Si9Cu3 (Fe), EN AC-AlSi8Cu3, EN AC-AlSi7Cu2, ZL101, ZL104
    Weight: 3.00kg/pcs
    Description:1. Cast part with inserts is made by aluminium gravity die casting process. We can make sand casting, gravity die casting and diecasting with steel insert, cast iron insert, stainless steel insert and brass insert.
    2. Full inspection on all dimensions, characteristics, and notes on drawing for each sample submitted.
    3. Process Flow Diagram, Design FMEA, Process FMEA, Control Plan, Material Specifications 4. Further machining work: turning, cutting, milling, grinding, drilling, reaming and threading
    5. Surface finish process: polishing, shot blasting
  • Gas station and other equipment components 31
    Part Name: Cast aluminium
    Material: A356, A319, EN AC-Al Si7Mg0.3, EN AC -Al SiMg0.6; EN AC-Al Si10Mg(a), EN AC-Al Si10Mg(Cu), EN AC-Al Si9Mg, EN AC-Al Si10Mg(Fe), EN AC- AlSi5Cu, EN AC-Al Si9Cu3(Fe), EN AC-Al Si8Cu3, EN AC-Al Si7Cu2,ZL101, ZL104
    Weight: 1.00kg/pcs
    Description:1. Cast aluminum is made by aluminium sand casting process, with 30psi air pressure under water, is suitable for gas equipments.
    2. Full inspection on all dimensions, characteristics, and notes on drawing for each sample submitted.
    3. Critical dimensions, Bracket locations, Cleanliness, Leak Test.
    4. Process Flow Diagram, Design FMEA, Process FMEA, Control Plan, Material Specifications 5. Calibration and R&R on measurement system for all checking aids for any critical dimensions or requirements.
    6. Further machining work: turning, cutting, milling, grinding, drilling, reaming and threading
    8. Surface finish process: polishing, shot blasting, Impregnation process
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