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Automotive Connector Tooling
Connector housings, locking and sealing features, complex sliders, fine terminal cavities, and multi-cavity consistency.
Built for repeatable productionDongguan Longkun Mold Co., Ltd.
Precision Tooling for Automotive Connectors, High-Reliability Connectors, Complex Insert Molding & Mold Components
DFM support, precision mold design and manufacturing, mold trials, tooling documentation, spare parts and engineering support for demanding plastic components.
NDA-ready engineering support
Built for dimensional stability
Tooling documentation available
Automotive connector products
2006
established precision mold manufacturing experience
Wire EDM
P/G & J/G
Mirror EDM
High-speed CNC
Established
Precision mold manufacturing since 2006
Team
80-100 manufacturing and technical personnel
Facility
Approximately 3,000 m² production area
Quality System
ISO 9001 certified quality management
Focused Positioning
A precision tooling partner between customer R&D and production molding teams.
Longkun Precision supports customers with DFM feedback, precision injection mold design and manufacturing, mold trials, dimensional verification, spare parts, and engineering support for demanding plastic components.
The website focuses on automotive connector tooling, high-reliability connector tooling, complex insert molding, and precision mold components where confidentiality, repeatability, dimensional stability, and documentation matter.
Best-fit RFQs
Automotive and high-reliability connector molds, complex insert molding tools, precision inserts, cores, cavities, spare parts, backup tooling, and mold improvement projects.
Core Application Focus
Four priorities for demanding connector and precision tooling programs
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High-Reliability Connector Tooling
High-speed, high-voltage, low-voltage, sealed, and other demanding connector molds requiring stable dimensions and interfaces.
Reliability from cavity to cavity
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Complex Insert Molding Tooling
Insert and overmolding tools engineered around terminal positioning, insert retention, sealing, and repeatable interfaces.
Controlled insert positioning
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Precision Mold Components
Precision inserts, cores, cavities, sliders, replacement parts, backup components, fixtures, and tooling improvements.
Matched for precision fittingTooling & Engineering Scope
Practical capabilities that support demanding plastic component programs
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Precision Plastic Injection Molds
High-accuracy molds for automotive and high-reliability connectors, including complex insert-molded components.
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Metal Stamping & Forming
Connector terminals, progressive forming strips, contact parts, and precision stamped metal components.
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Precision Mold Components & Fixtures
Mold inserts, cores, cavities, sliders, inspection fixtures, and customized precision tooling components.
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Mold Trials & Insert Molding Tooling Support
Tool trials, insert/overmolding tooling review, sample verification, and engineering support after mold completion.
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Custom Non-standard Mechanical Parts
Custom machined metal components, engineering plastic parts, brackets, housings, fixtures, and application-specific mechanical components.
View product galleryCore Capabilities
Engineering support from drawing review to verified tooling
DFM feedback
Review wall thickness, shrinkage, deformation, undercuts, parting lines, tolerance risks, material choice, and mold concept before cutting steel.
Precision mold design and manufacturing
Support complex sliders, precision inserts, multi-cavity layouts, insert molding tools, and repeatable mold construction.
Trials, verification and spare parts
Support mold trials, basic dimensional verification, tooling documentation, spare parts, maintenance, and engineering changes.
Engineering Workflow
Customer drawing to tooling delivery and ongoing support
Drawing & NDA Review
Review 2D/3D drawings, application requirements, critical dimensions, materials, and confidentiality needs.
DFM Feedback
Identify moldability risks around wall thickness, shrinkage, deformation, undercuts, fit, and repeatability.
Tooling Proposal
Confirm mold concept, cavity approach, insert and slider strategy, steel work, inspection points, and lead time.
Mold Manufacturing
Machine, EDM, grind, fit, assemble, and inspect precision mold components and complete tooling.
Trial & Verification
Support T1/T2 trials, dimensional checks, issue tracking, and engineering adjustment before tooling release.
Tooling Support
Provide spare parts, maintenance support, change management, and ongoing engineering communication.
Quality & Inspection
ISO 9001 quality control for critical mold dimensions and repeatability
- ISO 9001 certified quality management system.
- CMM inspection with Mitutoyo / ZEISS equipment.
- Optical projectors, Nikon tool microscopes, and high-precision optical measurement systems.
- Profile measurement, flatness inspection, high-temperature testing, and pull-force testing.
- FAI, CMM reports, material certificates, and CoC available according to project requirements.
Application Proof
De-identified capability proof for connector and precision tooling buyers
RFQ Support
Request a tooling review for your plastic component project
Please include 2D/3D drawings, application, material, annual volume, expected cavities if known, project stage, tolerance requirements, inspection needs, and target timing. NDA-based drawing review is available.
2D / 3D drawings
Material and application
Annual volume and cavities
NDA option available
Direct business contact
Email: sales@longkunprecision.com