Audited Supplier
| Name | Grey / Ductile Iron Casting |
| Material | Iron |
| Process | Sand Casting, Shell Casting, Deburring, Sandblasting, Machining, Heat Treatment, Leakage test, Surface treatment, etc. |
| Machining equipment | CNC, Lathe machine, Milling machine, Drilling machine, Grinding machine |
| Lead time | 15-25 days, depending on the structure and size |
| Available software | Auto CAD, Solid work |
| Material standard | ISO, GB, ASTM, SAE, ISO, EN, DIN, JIS, BS |
| Surface treatment | Powder coating, Chrome plating, Painting, Sand blasting, Nickel Plating, Zinc Plating, Blacking, Polishing, Bluing, etc. |
| Machining equipment | CNC, Lathe machine, Milling machine, Drilling machine, Grinding machine |
| Quality control | The defective products rate is less 0.1%. |
| Application | Engine parts,Auto parts, Machinery Parts,Rail Train parts, Truck Parts,Tractor Parts,Construction Equipment ,Agriculture Equipment, Other industrial fields. |
1 Technical advantages
DAO specializes in independent development and design. Our engineers are skilled in software such as AUTOCAD, PROE, SOLIDWORKS, and UG. We can design, develop, produce, and deliver your products based on your drawings, samples, or just one idea. Our company has 15 outstanding technical engineers, of which 10 have over 10 years of work experience and extensive understanding of conventional mechanical structures. This has made our clients highly recognized our abilities, and our company has also solved many difficulties for our clients. We hope that our experience can also help you solve these difficulties.
2 Production advantages
Our company has advanced and comprehensive sheet metal processing equipment, pre-treatment lines, powder spraying lines, paint spraying lines, etc. We also have machining centers, turning and milling composite, and gantry machining centers and other machining equipment. With advanced equipment, the corresponding speed is fast, efficiency is high, quality is stable, and the plan is clear, meeting the process requirements of different products, ensuring the size of product processing and the appearance effect after assembly, and ensuring the delivery time of products.
3. Quality assurance
1. Quality control
1) Inspection of raw materials upon arrival at our factory - Incoming Quality Control (IQC)
2) Check details before running the production line
3) Conduct full inspection and patrol inspection (IPQC) in mass production process quality control
4) Inspection of goods after completion - Final Quality Control (FQC)
5) Inspection of goods after completion - Outgoing Quality Control (OQC)
2. Detection ability
We can provide comprehensive testing methods and reports for raw materials, production processes, and finished products, such as chemical composition, mechanical properties, hardness, metallographic structure, full size, adhesion, color difference, glossiness, etc
Q: Do you make customized products or finished parts?
A: We make OEM or ODM products, all parts are not in stock, custom made according to customer's drawings or samples! If you have any parts to be made, please feel free to send your drawings/samples to us.
Q: Will my drawing be safe after you get it?
A: Yes, we will not release your design to third party unless with your permission. And we can sign the NDA before you send the drawing.
Q: What is the MOQ?
A: Usually we don't set MOQ, but the more, the cheaper. Besides, we are happy to make prototype part or sample for clients to ensure quality standard.
Q: Whether some samples can be provided?
A: Yes, sample cost is needed, but we will return it back when proceed into mass production. If a tooling is needed, we will charge the mold fee before starting.
Q: What's your products range?
A: OEM & ODM products range: Auto parts, Truck Parts, Engine parts, Agriculture equipment parts, Train parts, Hardware, etc.
Q: What's machining machines do you have ?
A: Cnc punch press, Laser cutting machine,Cnc bending machine,etc..
Q: Do you have any test equipment?
A: Yes, we have Optical Spectrum Analyzer, CMM, Hardness test equipment, Tensile test machine.
Q: How to deal it when they are found to be in poor quality?
A: Please rest assured that all of our products are QC inspected and accepted with inspection report before delivery and generally there will be no non-conformance; in case of non-conformance, please contact us immediately, sending us some pictures or videos or send the defective products to us for replacement.
