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Excelong Manufacturing (Qingdao) Ltd

Delivering Precision Engineering and Industrial Components with Global Standards

Explore Our Products
Excelong Manufacturing Facility

About Excelong Manufacturing

Excelong Manufacturing (Qingdao) Ltd is a trusted provider of high-precision industrial components and engineered solutions. Based in Qingdao, China, we serve clients across the globe with a commitment to quality, innovation, and reliability.

Our state-of-the-art manufacturing facilities are equipped with advanced CNC machinery and operated by skilled engineers who adhere to strict international standards. We specialize in custom fabrication, precision machining, and assembly services tailored to meet the unique demands of various industries.

15+
Years Experience
50+
Global Clients
98%
On-Time Delivery

Our Industrial Products

High-performance components designed for durability, precision, and efficiency across multiple industrial applications.

Precision Shaft Components

Precision Shaft Components

  • Material: Alloy Steel, Stainless Steel
  • Diameter Range: 10mm – 200mm
  • Tolerance: ±0.01mm
  • Surface Finish: Ra ≤ 0.8μm
  • Applications: Automotive, Machinery
Custom Flanges

Custom Flanges

  • Standards: ANSI, DIN, JIS
  • Size Range: 1/2" – 48"
  • Pressure Rating: Class 150 – 2500
  • Material: Carbon Steel, SS304/316
  • Surface: Anti-corrosion Coating
Hydraulic Fittings

Hydraulic Fittings

  • Type: JIC, ORFS, NPT
  • Size: 1/8" – 2"
  • Working Pressure: Up to 6000 PSI
  • Material: Forged Steel, Brass
  • Seal Type: O-Ring, Metal-to-Metal
Machined Housings

Machined Housings

  • Material: Cast Iron, Aluminum
  • Process: CNC Milling & Turning
  • Finish: Anodized, Powder Coated
  • Tolerance: ±0.02mm
  • Custom Design Support
Gear Components

Gear Components

  • Type: Spur, Helical, Bevel
  • Module: 0.5 – 10
  • Material: 20CrMo, 40Cr
  • Hardness: HRC 58-62
  • Applications: Industrial Gearboxes
Valve Bodies

Valve Bodies

  • Material: WCB, CF8, CF8M
  • Size: 1/2" – 24"
  • Pressure: PN10 – PN100
  • Standards: API, ISO
  • Testing: Hydrostatic, NDT
Pump Components

Pump Components

  • Impellers, Casings, Shafts
  • Material: SS304, SS316, Bronze
  • Flow Rate: Custom Design
  • Pressure: Up to 150 Bar
  • Applications: Water, Chemical
Custom Fasteners

Custom Fasteners

  • Type: Bolts, Nuts, Studs
  • Grade: 8.8, 10.9, 12.9
  • Size: M6 – M64
  • Coating: Zinc, Dacromet
  • Standards: ISO, DIN, ASTM
Structural Brackets

Structural Brackets

  • Material: Q235, Q345
  • Process: Laser Cutting, Welding
  • Finish: Galvanized, Painted
  • Load Capacity: Up to 5000kg
  • Custom CAD Design
Motor Mounts

Motor Mounts

  • Compatibility: IEC, NEMA
  • Material: Cast Iron, Steel
  • Vibration Damping Design
  • Load Range: 1kW – 500kW
  • Anti-Slip Surface

Why Choose Excelong?

We combine advanced technology, rigorous quality control, and customer-focused service to deliver unmatched value.

⚙️

Advanced Machining

CNC centers, lathes, and milling machines ensure micron-level precision and repeatability.

Quality Assurance

ISO-compliant processes with full traceability, inspection reports, and material certifications.

🌍

Global Delivery

Reliable logistics network serving North America, Europe, Asia, and Oceania.

🔧

Custom Solutions

From prototype to mass production, we support full OEM/ODM development cycles.

150+
Industrial Projects Completed
99.2%
Customer Satisfaction Rate
30+
Countries Served
24/7
Technical Support

Frequently Asked Questions

What materials do you work with?

We process a wide range of materials including carbon steel, stainless steel (304, 316), alloy steel, aluminum, brass, and cast iron. Special materials like titanium and Inconel are available upon request.

Do you offer custom design and prototyping?

Yes, we provide full engineering support from concept to prototype. Our team works with CAD/CAM software to develop custom parts and validate designs before production.

What quality certifications do you hold?

Our manufacturing processes follow international standards. We maintain strict internal quality control with full documentation, including material test reports and inspection records.

What is your typical lead time?

Standard orders take 15–25 days depending on complexity and volume. Prototypes can be delivered in 7–10 days. We offer expedited services for urgent requirements.

Can you handle large-volume production?

Absolutely. Our facility is equipped for both low-volume custom runs and high-volume serial production with consistent quality and on-time delivery performance.

Get in Touch

For inquiries, quotes, or technical support, please visit the official Excelong website to connect with our team.

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