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Integrated manufacturing · Dongguan, China

Precision Mechanical Assembly, from BOM to ready-to-integrate sub-assembly

Bring component sourcing, CNC machining, surface finishing, hardware installation and mechanical assembly together with one accountable partner. Receive coordinated sub-assemblies instead of a collection of parts to organize on arrival.

10

Manufacturing engineers

50+

Vetted manufacturing partners

5–5,000

Pieces for high-mix projects

Mechanical components prepared for precision assembly

A coordinated path from manufactured components to inspected, protected sub-assemblies.

One point of responsibility

Less supplier coordination. More confidence in the fit.

Managing a complex BOM across multiple factories can add shipment handling, quality gaps and assembly labor. We coordinate the parts and operations so your team receives a sub-assembly ready for integration into your final product.

01

Consolidated sourcing

We manage procurement of hardware, fasteners and custom-machined parts, reducing the need to track multiple suppliers and shipments.

02

Fit verified in assembly

Mating components are checked during assembly so fit requirements are evaluated together, not just part by part.

03

Simpler BOM management

One project manager oversees the assembly scope and technical coordination across the supply chain.

End-to-end capability

Manufacturing, finishing and assembly in one coordinated scope

Match the capabilities your BOM needs—from precision parts and fabricated structures to functional checks and export-ready packaging.

01 / Components

Precision machining

3-, 4- and 5-axis milling and turning for high-tolerance components.

02 / Structures

Sheet metal fabrication

Laser cutting, CNC bending and welding for frames and enclosures.

03 / Protection

Surface finishing

Anodizing, powder coating, plating and heat treatment to specification.

04 / Integration

Mechanical assembly

Press-fit, hardware installation, mechanical fastening and sub-assembly.

05 / Verification

Quality control

CMM inspection, fit-checks and functional testing of assembled units.

06 / Delivery

Logistics and packaging

Custom protective packaging for international shipping and assembly kits.

Engineering support

Design for manufacturing—and assembly

Our team of 10 manufacturing engineers reviews drawings and models to identify opportunities to reduce part counts, improve fit and simplify assembly sequences from prototype through production.

Discuss your drawings

Check the tolerance chain as a working assembly

We consider how component tolerances accumulate and verify that the assembled unit functions correctly—not only that individual parts meet their drawings.

A supply chain built around your BOM

The right manufacturing partners for complex projects

Access a network of 50+ vetted manufacturing partners. We select facilities to match project volume, material and certification requirements, including ISO 9001, AS9100D or IATF 16949 where applicable.

Rather than limiting a project to one factory’s capabilities, we coordinate technical communication, secondary operations and final inspections before parts leave China.

Designed for repeat assembly needs

  • Robotics and automationEquipment modules with coordinated parts and assembly steps.
  • Industrial equipmentBrackets, shafts and frames requiring hardware or finishing operations.
  • Product developmentSupport from prototype through production, with assembly processes designed to scale.

A strong fit for high-mix, low-to-medium volume programs—typically 5 to 5,000 pieces—where supplier coordination is a key challenge.

Request a quote

Bring your BOM and assembly requirements together

Managing multiple suppliers or facing delays from fragmented production? Send your BOM, 3D models and 2D drawings for a detailed DFM review and transparent pricing for your next project.

info@bgcnc.com Hongrongyuan · Honghu-Technologiepark, Bezirk Longhua, Shenzhen, China