Custom mechanical parts · China manufacturing network
Electronics Manufacturing Support for Custom Mechanical Parts
Source the housings, heat sinks, sheet metal parts, plastic covers, and precision components behind your electronics products through one coordinated team.
BGCNC (Better Global CNC) combines a core network of 50+ proven manufacturing partners in Dongguan and the Pearl River Delta with 10 manufacturing engineers, each with more than 10 years of industry experience.
50+
proven partners
10
manufacturing engineers
10+
years’ experience each
Mechanical parts and processes
One source for the parts behind your product
We match each component to a suitable process and manufacturing partner based on its material, geometry, tolerances, quantity, quality requirements, lead time, and target cost.
Enclosures and housings
CNC-machined or fabricated aluminum housings, plastic enclosures, covers, panels, and mounting features.
Heat sinks and thermal parts
Custom aluminum heat sinks and machined thermal components, with finishing coordinated to project requirements.
Sheet metal components
Laser-cut and bent panels, brackets, frames, and chassis, with welding where required.
Precision machined parts
CNC-milled and turned parts, including copper components, sensor bodies, mechanical connector features, fixtures, and mounting hardware.
Plastic parts and tooling
CNC-machined plastic components, 3D-printed prototypes, and injection-molded parts and tooling.
Finishing and secondary operations
Surface finishing, heat treatment, and assembly and packaging coordination where required.
Scope note: Our focus is the mechanical and custom-part supply chain. PCB fabrication, electronic component procurement, and electrical assembly are not listed as in-house services. Tell us about your product scope and we can clarify appropriate manufacturing coordination.
Coordinated sourcing
Fewer supplier relationships to manage
A new hardware product may need a machined aluminum housing, a sheet metal bracket, a molded plastic cover, and several small precision parts. Sourcing each separately can leave engineering and purchasing teams managing different schedules, quality expectations, and technical conversations.
Our team reviews your project, identifies suitable processes and partners, then coordinates production, inspection, finishing, and delivery across selected suppliers—helping reduce supplier coordination and support a smoother path to product launch.
Partner network
Our network includes thousands of manufacturers across China. Through real project cooperation, we have developed a core group of 50+ proven partners and continually evaluate capability, quality consistency, delivery performance, engineering support, responsiveness, and production capacity.
Engineering input
Review the manufacturing route before production
Our engineers assess how design, material, quantity, tolerances, tooling, and finishing affect cost and delivery. The right manufacturing route can change as a product develops—we review the trade-offs with you rather than treating the first quoted process as the only option.
What we can help assess
- 01Whether CNC machining suits the expected volume or another process is a better fit.
- 02Ways to simplify a housing or bracket, reduce machining time, or ease fabrication.
- 03Whether tolerance, material, and surface-finish requirements are appropriate for fit and function.
- 04Opportunities to reduce secondary operations and balance tooling investment with unit cost.
CNC machining or 3D printing may suit early prototypes; injection molding, die casting, stamping, or another process may be more economical as demand grows.
Prototype through production
Support that follows your product lifecycle
We coordinate custom mechanical parts as designs, quantities, and validation needs evolve across build stages.
5–5,000
pieces for many high-mix, low- to medium-volume needs, depending on part and process
Prototype builds
Engineering evaluation and early parts.
Design validation
Builds to support design and validation needs.
Production
Low- to medium-volume manufacturing.
Ongoing supply
Repeat orders and continued coordination.
Multi-part projects
Multiple part numbers and processes.
Quality and supplier selection
Requirements guide the partner match
We match projects with manufacturing partners according to the required process, inspection needs, documentation, and production conditions. Our network includes partners operating under internationally recognized quality systems, including:
Certification availability and scope depend on the partner selected. Include any required certification, material traceability, or inspection documentation with your inquiry so we can assess suitable supplier options. We coordinate quality expectations and production communication across selected suppliers.
Is this a fit?
Built for teams managing custom hardware parts
We suit overseas B2B companies that value reliable communication, quality management, and supply coordination—not just the lowest unit price.
- ✓You develop sensors, communications equipment, industrial electronics, instrumentation, robotics, or other hardware.
- ✓You need housings, heat sinks, brackets, panels, precision parts, or assemblies across multiple processes.
- ✓You source several custom part numbers in low or medium quantities and want help coordinating suppliers.
- ✓You want engineering input on process choice, cost, or manufacturability from a long-term China-based partner.
A less suitable fit
We may be less suitable for one-off hobby orders, standard off-the-shelf components, or very high-volume production of a single part where a dedicated factory relationship is the better option.
Get started with a project review
Share drawings, 3D files, or a brief description. Materials, expected quantities, critical tolerances, finishes, required documents, target delivery date, and project stage help us assess options.
Request a project reviewStart a conversation
Coordinate the mechanical manufacturing behind your next build
Send your available drawings or project requirements. We’ll review manufacturing options, supplier fit, and open technical questions before moving toward a quotation.
Contact: info@bgcnc.com · Hongrongyuan · Honghu-Technologiepark, Bezirk Longhua, Shenzhen, China
Request a project review
Include any available part files, quantities, process constraints, and quality requirements.