Investment Casting with Precision Machining Parts
Product Specifications
| Attribute | Value |
|---|
| Standard | DIN, ASTM, GB or per RFQ |
| Material Options | Stainless Steel, Steel Alloy, Brass, Bronze, Aluminum or per RFQ |
| Application | Tool parts, machinery parts, mining equipment parts, pump & valve
parts, auto & motorcycle parts |
| Tolerance | +/-0.1mm or per RFQ |
| Design | Customized drawing or sample |
| MOQ | 100 PCS or per RFQ |
| Sample Leadtime | 4-6 weeks |
| Mass Production | 4-6 weeks |
| Surface Treatment | Plating, Coating, Anodizing, Polishing or per RFQ |
| Heat treatment | Quench and Tempering, Normalize and Tempering, Hardening and
Nitriding, Annealing |
| Roughness | Ra 1.6 or per RFQ |
| Weight range | 0.1 KG-500KG |
| Trademark | OEM |
| HS Code | 73269090 |
| Production Capacity | 100,000 PCS/Year |
Our Services
- Professional manufacturer of customized metal/plastic products -
one stop source for new project development
- Quick response to all inquiries
- Free samples available
- Custom logo printing and OEM/ODM services
- Strict inspection procedures to guarantee quality
- Fast delivery and competitive pricing

Manufacturing Processes
- Casting Process: Lost wax casting, Investment casting, Die Casting, Sand casting,
Gravity casting
- Forging Process: Hammer Forging, Die Forging, Roll Forging
- Stamping Process: Laser Cutting, Punching, Bending
- Spinning Process: CNC spinning
- Machining: CNC turning, Milling, Drilling, Grinding
- Inspection: Caliper, CMM, Projector
- Packaging: Hardboard box and wooden pallet
Surface Treatment Options
- Sand blasting
- Zinc/Chrome/Nickel plating
- Powder coating
- Anodizing
- Galvanized
- Painting
- Oxidation
- Mirror Polish
Heat Treatment Options
- Normalizing
- Annealing
- Tempering
- Solid Solution Heat treatment
- Aging
- Quenching
- Gas Nitriding
- Carbonization
Production Applications
- Machinery parts
- Mining equipment
- Pump parts
- Auto & motorcycle parts
- Tool parts

Packaging and Delivery
- Packaging: Carton + pallet or Plywood cases or other package as per customer
requirement
- Delivery: 4-6 weeks for samples, 4-6 weeks for mass production

About Nanjing Luyao Metals Co., Ltd
We are an engineering company specializing in customized parts made
by casting, machining, forging or stamping. We handle most metal
materials and normal plastic materials, producing parts of various
sizes for industries including machinery, medical equipment,
automotive, valves, railways, and general hardware.
Our team of sales, engineers and quality professionals with over 20
years of technical experience can read CAD, E-drawing, PRO-E files
and IGS formats. We work closely with ISO, QS and TS certified
factories, involving ourselves in every production and quality
control process to ensure perfect results.
We serve customers worldwide including United States, Europe,
Africa, and Southeast Asia, offering perfect products at
competitive prices with comprehensive quality documentation
including material certificates and dimensional reports.

Frequently Asked Questions
Are you a factory or a trade company?
We make export ourselves but more than a trade company, we are
specialized in engineering spare parts. We have many experienced
factories we cooperate with long-term, and we get involved in every
production process to ensure quality.
Do you make customized products or finished parts?
Yes, all parts are custom made according to customer's drawings or
samples. Stock is considered when customers require it.
Will my drawing be safe after you get it?
Yes, we will not release your design to third parties without your
permission. We can sign an NDA before receiving your drawings.
What is the MOQ?
We typically don't set MOQ, but larger quantities receive better
pricing. We're happy to make prototype parts or samples to ensure
quality standards.
Can you provide samples?
Yes, we can provide samples for a small fee which will be returned
when proceeding to mass production. Mold fees apply for custom
molds which then belong to the customer.
How do you handle quality issues?
All products undergo QC inspection before delivery. In rare cases
of non-conformance, we will immediately address the issue with
rework or repair at our expense.