Seipo manufacturing

Full-Service Contract Manufacturing

From blueprint
to market.

We realize your idea from initial concept to finished product — faster, leaner, and with more precision than the industry standard.

What sets us apart

Three things you will not find anywhere else.

Speed
Blazing Fast

30% shorter than standard tooling lead time — without cutting corners. Our streamlined engineering and in-house tooling mean your program moves faster from day one.

⚙️ Scalability
Most Flexible

From prototype pilot runs to high-volume mass production, Seipo scales seamlessly with your program. We don't impose minimum orders or lock you into rigid structures.

🤝 Communication
Easiest Communication

A professional bilingual team by your side full-time — USA and China teams both available. No time-zone black holes. No language barriers. Just clear answers, fast.

Special offers at every stage of your project.

From your very first RFQ through final delivery, Seipo provides value-added services at no additional cost — because great partnerships start before a PO is issued.

Equipment & Technology

Advanced facilities. Production-ready from day one.

Super size die casting

Super Size Die Casting

Metals

Stamping and forming

Stamping & Forming

Metals

Injection molding

Injection Molding

Plastics

EDM and grinding

EDM & Grinding

Precision Fabrication

Painting and coating

Painting & Coating Lines

Surface Finishing

4 and 5 axis CNC

Latest 4 & 5-Axis CNC Centers

Precision Fabrication

Die cast components

Metal Die Cast Components

Metals

Precision machined parts

Precision Machined Parts

Precision Fabrication

Assembly integration

Assembly & Integration

Integration

Sheet metal

Sheet Metal Fabrication

Metals

Surface finishing

Surface Finishing & Anodizing

Surface Treatment

Plastic injection

Plastic Injection Molding

Plastics

Quality inspection

Quality Inspection & CMM

Quality Control

Component manufacturing

Component Manufacturing

Full-Service Production

Finished products

Finished Product Assembly

Integration

Our capabilities

Four core service lines.

01 / 04

Metals

Die casting, stamping, forging, sheet metal fabrication, and precision machining for structural and functional metal components.

02 / 04

Plastics

Injection molding, blow molding, and thermoforming with tight tolerances and full surface finishing capabilities.

03 / 04

Precision Fabrication

4- and 5-axis CNC machining, EDM, grinding, and jig-bore work for parts demanding exceptional accuracy.

04 / 04

Integration

Sub-assembly and full product integration — we manage sourcing, logistics, and quality across the entire bill of materials.

ISO
9001

Quality Management

ISO
TS16949

Automotive Quality

FDA
CERT

FDA Certified

EST.
2004

20+ Years in Operation

Ready to build something remarkable?

Tell us about your project and receive a complimentary DFM analysis with your quote.

Start Your Project →