Leading manufacturer of precision insert plugs, crimp terminals, and electrical connectors. ISO certified insert plug solutions for automotive, industrial, and electronic applications with expert engineering support.
Precision Insert Plugs Manufacturing

Most suppliers treat insert plugs as a commodity. At Celestix, we see it differently. To us, insert plug manufacturing is a precision assembly discipline that requires expert crimping, material selection, and rigorous quality control. Every terminal, connector housing, and insert component is engineered with the same attention to detail that engineers expect from their trusted connector supplier.

We believe insert plug production is about more than just assembling terminals—it's about ensuring reliable electrical connections that perform consistently across demanding applications. This approach allows us to deliver measurable value in both product reliability and customer satisfaction.
Designed for Reliability and Performance

For Buyers:
• Certified crimping processes ensuring consistent contact resistance
• Material traceability and compliance documentation
• Electrical testing for continuity and insulation resistance
• Proven track record as a reliable insert plug manufacturer
• Quality assurance protocols protecting against field failures

For Engineers:
• Simplified terminal selection with expert technical support
• Material compatibility guidance for diverse applications
• Custom insert plug designs from prototype to production
• In-house testing capabilities for voltage and current ratings

Comprehensive Insert Plug Solutions

We specialize in delivering high-quality insert plug assemblies for your electrical connection requirements:

• Crimp Terminal Insert Plugs: Precision-crimped automotive and industrial terminals
• Brass Insert Terminals: High-conductivity brass terminals for power applications
• Automotive Insert Connectors: Durable connectors for harsh automotive environments
• Pin & Socket Contacts: Reliable mating solutions for modular systems
• Waterproof Insert Connectors: IP67/IP68 rated sealed connectors
• Custom Insert Plugs: Application-specific designs meeting your exact specifications

Certified to IPC/WHMA standards and backed by rigorous quality testing, our insert plugs are built to deliver consistent performance in critical applications.

Our commitment to zero defects, on-time delivery, and responsive service makes us a preferred partner for OEMs, industrial manufacturers, and high-tech industries globally.

Our Partners