Assembly

Seongju's assembly operation, when seamlessly integrated with our plastic injection molding capabilities, generates a synergistic effect that enhances efficiency and cost-effectiveness for our valued customers.

This powerful synergy allows us to offer end-to-end solutions that not only meet but exceed the expectations of our clients, delivering superior outcomes that drive success and profitability in today's competitive marketplace.

Dedicated Facility for Assembly

Nestled within the picturesque Cheonan countryside, a mere 15-minute drive from our plastics manufacturing plant, lies Seongju's dedicated assembly facility. Spanning an expansive 61,000 square feet, this state-of-the-art plant is meticulously designed to cater exclusively to assembly operations.

Its meticulously structured layout features dedicated assembly floors on the first and third levels, optimized to facilitate seamless production processes. Complementing these operational spaces, the second floor serves as a meticulously organized office hub, providing a conducive environment for collaboration, planning, and administrative functions.

This strategically designed facility reflects Seongju's unwavering commitment to efficiency, quality, and innovation, ensuring that every aspect of our operations is meticulously orchestrated to deliver excellence at every turn.

Main Product

Seongju's assembly operation stands as a specialized hub tailored to the intricate demands of complex projects necessitating expansive space and a diverse array of processes.

Among these endeavors, the assembly of power steering gear (PSG) components occupies a prominent position.

Within our Cheonan facility, components sourced from a global network of suppliers converge to undergo meticulous assembly processes, culminating in the creation of fully integrated PSG assemblies.

Notable examples of these modules include valve assemblies and housing assemblies, each meticulously orchestrated to meet stringent quality standards and exacting specifications.

Through meticulous attention to detail and a commitment to excellence, Seongju ensures that even the most complex projects are executed with precision and professionalism, delivering superior outcomes that exceed expectations.

The following are the examples of the processes that Seongju’s assembly plant is capable of performing:

  • Reboring

  • Caulking

  • Calibrating

  • Balance testing

  • Torque Testing

  • Air leak testing

  • Broaching

  • Hardening

  • Tempering

  • Grinding

  • Pressing

  • Injection

Process Example

Rack Bar Processing

1. Broaching

Quality Check Method:

  • O. P. D.

2. Hardening & Tempering

Quality Check Method:

  • Harness check

3. Grinding

  • Dimensions check

  • Roughness check

Quality Check Method:

4. Spin Up

Quality Check Method:

  • Run-out test

Valve Assembly Workflow

1. Pressing T-bar

  • Pressure position

  • Pressure strength

Quality Check Method:

2. Calibrating

Quality Check Method:

  • Run-out test

3. Balance Testing

Quality Check Method:

  • Leak test

  • Effor test

Assembly Plant Location