2024 High Precision Auto Parts Die Casting Production for Car Engine
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Product Name | OEM&ODM CNC Milling Part Aluminum Alloy |
Product Dimension | Customized to the engineering dwg, maximum 1.5 meters according to our existing machining stroke. |
Product Shape | Customized |
Processing Type | CNC lathing, cutting, boring,milling; Grinding,Polishing, Passivation, etc. |
Tolerance | ±0.02mm or as per customers' requirement. |
Material Standard: | ISO, DIN, ASTM, UNS, AISI, JIS, BS, NF |
Materials Available | Stainless Steel, Carbon Steel, Steel, Copper, Brass, Aluminum, Silver, Gold, Chrome, Tin, Nickel, Zinc, Alloy etc. |
Material Thickness | As per customers' requirement. |
Surface Treatment/Finish | Anodization, Chromizing, E-coating, Nickel Plating, Galvanization, Paint, Powder Coating, Polishing etc. |
Heat Treatment Capability | Annealing, Normalizing , Nitriding, Tempering ,Carbonitriding, Carburizing and Induction Hardening,etc. |
Application | Powered tools, Automobile, Home applicances, Medical care Instrument, etc |
Quality Assurance | GB/T19001-2016 ISO 9001:2015, GB/T240001-2016 ISO 14001:2015, RoHS |
Sample Lead-time | Within 1 day for samples available from our stock; About 1-2 weeks for customized samples |
Mass Production Lead-time | 3-7 weeks after receiving advance payment deposit. |
Delivery conditions: | EXW/FOB/CFR/CIF SHENZHEN or any other airport or seaport, China |
Payment Terms | 50% deposit, balance against B/L issuing. |
Modification | Mold modification per Enginering Change Request |
Inspection | In-house or third party, all the processings are strictly inspected by our QC. |
Design Software | We use the most advanced mold design software Auto CAD, Pro/E, Solidworks, UG (dwg, dxf, IGS, STP, X-T) |
Country of Origin | China (mainland) |
Main Export Markets | Europe, America, Mid East, Asia, Africa etc. |
Service Type: | OEM & ODM |
Business Type: | Manufacturer, Exporter |
Advantages | Expertized in producing OEM parts: sheet metal stamping, CNC machining, deep drawn and sheet metal formed parts with various finishing process. Our factory is based at Dongguan, Guangdong province. Branch base in Ji'an City, Jiangxi province; Oversea base in Vietnam. The Dongguan base is closed to Guangzhou and Shenzhen port, which gives us great effiency for logistic handling. Skilled operation staff and advanced machining equipment: We have sophiscated equipment for the complete process flow from die casting, deburring, polishing, CNC milling, lathing, and surface finishing treatment. Engineering competency. We are managed by a team of tooling designing and manafacturing expertise, with well organized and production management and logistic and shipment coordination team, to provide consistant supply to meet our customers' demand. |
Welcome to Dongguan Sun Hua Plastic Metal Ltd
We specialize in designing and fabricating plastic injection molds, die casting molds, and rubber molds. Our services include mass production of parts at competitive prices tailored to your production volume needs.
We cater to various industries including Automotive, Powered Tools, Home Appliance, Medical, and New Energy applications.
Explore our high precision aluminum engine parts for automotive applications. Customized to meet your requirements, our die-cast components ensure top performance.
Product Specifications:
Tool Life Cycles | Extremely High Volume | High Volume | Low Volume |
2D Design Drawings | |||
3D Design Drawings | |||
Component ID | |||
Tool Steel ID | |||
Cycle Counter | |||
Spare Ware Parts | |||
Spare Parts List | |||
Fully Automatic Operation | |||
DFM Report | Shall be completed and approved before mold build. All part model changes shall be approved. Report include: KO locations, gate locations, parting line, split lines, mold flow analysis (when required), cosmetic issues, dimensional issues. | ||
Cpk Requirement | Required Cpk requirement for critical dimensions. | ||
Cycle Time Target | Mold cycle time shall meet or exceed targets while producing parts within the Cpk requirements. | ||
Critical Dimensions | Percentage of print tolerance to nominal, mold cavity dimensions of critical dimensions shall be held within. | ||
Minor Dimensions | Percentage of print tolerance to nominal, mold cavity dimensions of critical dimensions shall be held within. | ||
Self Lubricating Hardware | Hardware that sees movement should be self lubricating per hardware requirements. | ||
Certified Tool Steel | Tool steel shall be certified from steel provider. | ||
Mold Flow Analysis | (when required) | ||
Mold Dimensional Study | |||
Part Dimensional Study |
Service we supply | OEM Die Casting Service , Mold Making , Machining and Surfacetreatment |
Process Technology | Gravity die casting, low pressure die casting, high pressure die casting |
Material For Die Casting | Aluminum Alloy (ADC12, A380, AlSi10MgFe) |
Drawings Format | 2D ( CAD ,PDF ,JGP) or 3D ( STEP, IGS ) |
MOQ | 2000 Pieces |
Lead Time | within 35 - 45 days |
Surface treatment | Pinting, powder coating, anodizing, chromizing |
Process flow | Smelting - Die casting - Gate Removal - Deburring - Polishing - CNC milling - Bushing Assembly - Inspection - Warehouse Entry |
Features & Advantage | 1. High machining accuracy, the flatness within 0.05mm. ID within ±0.02 2. High finish appearance, smooth surface roughness is Ra1.6 after machining. |
Quality Assurance/ Tolerance | GB/T19001-2016 ISO 9001:2015, GB/T240001-2016 ISO 14001:2015, RoHS |
Inquiry Basic Information:
- Part 2D drawing, 3D file, or sample picture with measurements available
- Tooling steel material used
- Option for standard mold base or customized base
- Runner system available in Cold or Hot options
- Multi-cavity mold design with shut-off gating for each cavity
- Delivery address required for shipping
Product Description: Dongguan Sun Hua Plastic Metal Ltd
- Die Casting Tool Expertise: Sun Hua specializes in die casting tool expertise, ensuring high-quality products.
- Integrated Solution Service: Offering integrated solutions for die-casting parts, plastic injection parts, and toolings.
- Time and Cost Effective: Sun Hua provides efficient and cost-effective solutions for all your manufacturing needs.
- Project Management and Efficient Delivery: With a focus on project management, Sun Hua ensures timely and efficient delivery of products.
- Quality Control: Sun Hua maintains strict quality control measures to guarantee the highest standards in all products.







Company Profile
Dongguan Sun Hua Plastic Metal Ltd specializes in designing and manufacturing high-quality die-casting tooling and molded parts made of Aluminum, Zinc, Magnesium, and more for the international market. Since its establishment in 1997, the company has focused on producing auto parts, aluminum die-cast parts, machined parts, and products for various industries including automotive, communication, infrastructure, electrical appliances, and electric tools.
Committed to providing integrated solutions for prototyping and mass production, Sun Hua offers competitive prices and satisfactory lead times. With advanced technologies, scientific team management, and continuous improvement, the company ensures top-notch quality in every product.
Production Floor


Discover our Customized Aluminum Auto Engine Parts through precision die casting. Elevate your engine performance with our high-quality components.
Company Culture

Dongguan Sun Hua Plastic Metal Ltd
Strength:
- Specialized in OEM die casting parts production since 1997
- Top brand customer cooperation with companies like BOSCH, TTI, and BYD
- Equipment includes CNC, EDM, grinding machine, and die casting machines ranging from 88 ton to 2500 ton
- Dedicated and integrated solutions at the best price
- Expertise in Tooling Making
- As-cast Quality Control
- Precision CNC machining
- Measurement Correlation
- Production Planning and Management
- Project Management and Scheduled Delivery
- Good After-sale service for any quality problems
Tooling Packaging: | |
1. Clean and rinse the complete tooling. | |
2. Interior and exterior of the tools shall be preserved with oil. | |
3. Wrap the tooling with film for protection after dry out. | |
4. Stuff the tools in the wood crate. |
Dongguan Sun Hua Plastic Metal Ltd offers Customized Aluminum Auto Engine Parts through high precision die casting. Choose quality Aluminum Engine Components for your automotive needs.
Customized Aluminum Auto Engine Parts
Discover high precision engine components with our aluminum die casting. Perfect for custom auto engine needs.


Manufacturer of Customized Aluminum Auto Engine Parts through Precision Die Casting. ISO & IATF Certified. Supplier of High Precision Engine Components.




Visit Dongguan Sun Hua Plastic Metal Ltd for Customized Aluminum Auto Engine Parts Aluminum Die Casting. High Precision Engine Components for your automotive needs.

Dongguan Sun Hua Plastic Metal Ltd
Strengths:
- We specialize in OEM die casting parts production, from model designing to mass production, since our establishment in 1997.
- We have collaborated with top brands such as BOSCH, TTI, and BYD.
- Our equipment includes CNC, EDM, grinding machines, and die casting machines ranging from 88 tons to 2500 tons.
- We offer dedicated and integrated solutions for your products at competitive prices.
Expertise:
- Expertise in tooling making
- As-cast quality control
- Precision CNC machining
- Measurement correlation
- Production planning and management
- Project management and scheduled delivery
- Good after-sale service provided for any quality issues
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Dongguan Sun Hua Plastic Metal Ltd offers Customized Aluminum Auto Engine Parts through Aluminum Die Casting. High Precision Engine Components for automotive needs.
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FAQ:
Q: What do I need for offering a quote?
A: Please offer us 2D or 3D drawings (with material, dimension, tolerance, surface treatment and another technical requirement, etc.), quantity, application, or samples. Then we will quote the best price within 24h.
Q: What is your MOQ?
A: MOQ depends on our client's needs, besides, we welcome trial orders before mass production.
Q: What is the production cycle?
A: It varies a lot depending on product dimension, technical requirements, and quantity. We always try to meet customers' requirements by adjusting our workshop schedule.
Q: What kind of payment terms do you accept?
A.: T/T, PayPal.
Q: Is it possible to know how is my product going on without visiting your company?
A: We will submit a detailed production schedule and send weekly reports with digital pictures and videos to present the manufacturing progress.
Q: If you make poor quality goods, will you refund our deposit?
A: We make products according to the drawings or sample required criteria. All parts will undergo the in-process and outgoing quality inspection prior to the shipment. To meet the customers' satifaction is the grand pride we hold for the business.
For more questions, please kindly send us an inquiry!