Pipe mandrel bending and welding services, contact us: info@pinometal.com
Manufacturing services
Professional OEM Manufacturing Services for Tube Products
We provide comprehensive OEM manufacturing services with a strong focus on tube product processing service. We specialize in producing high-quality components based on customer drawings, samples, or technical requirements.
From raw material processing to final packaging and delivery, we offer a complete one-stop manufacturing solution tailored to your business.
Mandrel bending process
| Diameter(inch) | Diameter(mm) | Wallthickness(mm) | Bend angle(°) | CLR(D) | Leg length |
|---|---|---|---|---|---|
| 1″ | 25.4mm | 1mm~5mm | 0-180° | min 1.0D | 0-2000mm |
| 1-1/4″ | 32mm | 1mm~5mm | 0-180° | min 1.0D | 0-2000mm |
| 1-1/2“ | 38.1mm | 1mm~5mm | 0-180° | min 1.0D | 0-2000mm |
| 1-5/8“ | 42mm | 1mm~5mm | 0-180° | min 1.0D | 0-2000mm |
| 1-3/4“ | 45mm | 1mm~5mm | 0-180° | min 1.0D | 0-2000mm |
| 1-7/8” | 48mm | 1mm~5mm | 0-180° | min 1.0D | 0-2000mm |
| 2“ | 50.8mm | 1mm~5mm | 0-180° | min 1.0D | 0-2000mm |
| 2-1/4” | 57mm | 1mm~5mm | 0-180° | min 1.0D | 0-2000mm |
| 2-1/2“ | 63.5mm | 1mm~5mm | 0-180° | min 1.0D | 0-2000mm |
| 2-3/4” | 69.85mm | 1mm~5mm | 0-180° | min 1.0D | 0-2000mm |
| 3“ | 76.2mm | 1mm~5mm | 0-180° | min 1.0D | 0-2000mm |
| 3-1/2” | 88.9mm | 1mm~5mm | 0-180° | min 1.0D | 0-2000mm |
| 4“ | 101.4mm | 1.5mm,~3.0mm | 0-180° | min 1.0D | 0-2000mm |
| 4-1/2” | 114.3mm | 1.5mm, 2.0mm | 0-90° | min 1.5D | 0-2000mm |
| 5“ | 127mm | 1.5mm, 2.0mm | 0-90° | 1.2D, 1.5D | 0-2000mm |
| 6” | 152.4mm | 1.5mm, 2.0mm | 0-90° | 1.5D | 0-2000mm |
| 7“ | 177.8mm | 2.0mm | 0-90° | 1.5D | 0-2000mm |
| 8” | 203.2mm | 2.0mm | 0-90° | 1.5D | 0-2000mm |





Precision CNC Machining service for Complex Metal Parts
Capabilities & Specifications
- Machining Size Range: up to 800 × 1200 mm
- Machines: 2 × CNC Vertical Machining Centers
- Production Type: OEM / Custom Machining (based on drawings or samples)
We are capable of handling complex geometries and tight tolerances, ensuring each component meets your exact requirements.
Our CNC machined parts are widely used in:
- Automotive components
- Industrial machinery
- Agricultural equipment
- Custom mechanical assemblies

Integrated Forming & Fabrication Solutions
Our metal forming & welding service provide complete manufacturing solutions for a wide range of metal components. By combining stamping, hydraulic forming, and professional welding processes, we deliver durable, high-precision parts tailored to your specifications.
We have equipment below for metal forming processes:
- 3 × Stamping Machines
- 1 × Hydraulic Press Machine
- Professional welding equipment for structural fabrication
These machines allow us to efficiently handle both simple and complex forming tasks while maintaining consistent quality.




