Top 10 circular connector manufacturers in China
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- Issue Time
- Nov 4,2025
Summary
If you need high-quality M16 circular connectors for industrial automation, robotics, or outdoor equipment, choosing the right Chinese manufacturer is essential. This article highlights the Top 10 circular connector manufacturers in China — based on 2025 industry reports — and explains why Connoder is a trusted partner for OEM and ODM M16 solutions.

Top 10 circular connector manufacturers in Chinan
Introduction
If you need high-quality M16 circular connectors for industrial automation, robotics, or outdoor equipment, choosing the right Chinese manufacturer is essential. This article highlights the Top 10 circular connector manufacturers in China — based on 2025 industry reports — and explains why Connoder is a trusted partner for OEM and ODM M16 solutions.
M16 Circular Connectors
Rugged, compact and versatile — ideal when you need mixed power & signal plus environmental protection.
China’s Circular Connector Manufacturing Landscape
China has become a global hub for connector production. Industry analyses show that the domestic connector market now accounts for roughly one-third of global share, driven by automation, new energy, and industrial control sectors. While global brands such as Amphenol and TE Connectivity remain influential, Chinese manufacturers are rising quickly — offering reliable, cost-effective M16 circular connectors with rapid turnaround and flexible customization.
The M16 circular connector cable assembly is connected to the industrial sensors on the factory machines.
On the factory equipment, the M16 circular connector cable assembly precisely connects with the industrial sensor. The structure is stable and suitable for industrial scenarios. The metallic texture highlights the durability, and the application status of the core connection components of the industrial equipment is clearly presented.
Top 10 Circular Connector Manufacturers in China (2025 Edition)
The following list summarizes leading companies frequently cited in Chinese industry rankings and buyer directories. Confirm individual capabilities and M16 product lines before procurement.
AVIC Optoelectronics — Aerospace-grade circular connectors with MIL/GJB standards.
Xi’an Mingchang Electronics — Multi-core connectors for power & marine.
Baymrs (Baoyan Electric) — Comprehensive industrial connector portfolio.
Shenzhen Hongwanke — High-speed signal connectors for automation.
Regional specialists — Focus on sealed IP67/IP68 connectors for harsh environments.
OEM assembly providers — Offer pre-moulded M16 cable assemblies.
Medium-sized manufacturers — Agile customization and low MOQ.
Automotive supply chain producers — Certified for traceability.
Emerging new-energy connector brands — Sustainable manufacturing.
Connoder — Featured M16 Circular Connector Manufacturer. Produces M8, M12 and M16 series connectors, providing OEM/ODM customization, fast sample turnaround, and global logistics support.
How to Evaluate an M16 Circular Connector Manufacturer
When selecting a supplier, consider the following checklist:
Specifications & Datasheets — Pin count, current/voltage, shell material.
IP and Environmental Tests — IP67/IP68 reports, salt spray, temperature cycling.
Mechanical Endurance — 500–1000 mating cycles minimum.
Electrical Characteristics — Insulation and contact resistance.
Customization Options — Pin layout, shielding, over-moulding.
Lead Time & MOQ — Sample speed and production capacity.
After-Sales Support — Warranty and spare-part availability.
Connoder's comparison of time and pin count with typical Chinese manufacturers
Visual comparison of data between Conod and typical Chinese manufacturers, focusing on four key dimensions: electrical protection level, number of pins, rated current, and delivery cycle. This clearly highlights the differences between the two, providing a clear reference for selection.
Why Choose Connoder for Your M16 Circular Connector Needs
Specialization & Experience
Connoder focuses on industrial circular connectors and assemblies, backed by 20 years of engineering expertise. Its R&D team develops innovative M16 solutions for automation, sensor systems, and renewable energy.
Quality and Certification
All Connoder products are manufactured under ISO 9001 process control and comply with RoHS and REACH requirements. Every M16 unit undergoes comprehensive testing for insulation resistance, contact stability, and sealing integrity.
Customization and OEM/ODM Support
Connoder offers custom pin configurations, special cable lengths, logo engraving, and bespoke over-moulding. The company can produce small-batch samples in days and mass production in weeks.
Global Delivery and Service
With efficient logistics and experienced export support, Connoder delivers on time worldwide. Clients receive end-to-end assistance from design consultation to after-sales service.
M16 Circular Connector Specification Comparison
The four-column comparison table of circular connectors clearly presents the core information. The column items include manufacturer, protection level, pin count, and typical delivery cycle. The data is arranged in a neat and intuitive manner, providing a convenient reference for product selection and parameter comparison.
Conclusion
Chinese circular connector manufacturers have gained global recognition for quality and scalability. However, when your application requires the precision, sealing, and reliability of an M16 circular connector, Connoder stands as a trusted, specialist choice.
What is an M16 circular connector used for?
An M16 circular connector is a compact, threaded electrical connector commonly used in industrial automation, sensors, machinery, and outdoor equipment. It provides secure data or power transmission with IP67/IP68 sealing for protection against dust and water — ideal for harsh or mobile environments.
Why choose a Chinese M16 circular connector manufacturer?
Chinese manufacturers such as Connoder offer a strong balance of quality, customization, and cost efficiency. With advanced production lines and international certifications, China-based suppliers deliver both standard and OEM/ODM M16 circular connectors that meet global standards at competitive pricing.
What makes Connoder stand out among the top 10 circular connector manufacturers in China?
Connoder specializes in M8, M12, and M16 circular connectors, emphasizing engineering expertise, flexible customization, and fast turnaround. The company operates under ISO 9001, complies with RoHS and REACH, and supports OEM/ODM solutions for clients worldwide — making it one of the most reliable Chinese connector brands.
How can I choose the right M16 circular connector for my application?
When selecting a connector, evaluate:
Required pin configuration and current/voltage rating
IP rating (e.g., IP67/IP68) for environmental protection
Cable type and mounting style (panel or cable mount)
Material and shielding for interference resistance
Certification, lead time, and after-sales service from the manufacturer
M16 6 Pin Circular Connector A-Code Interface, Waterproof Connector Receptacle Cable, Straight, Front-Locking, Unshielded
M16 6 Pin Circular Connector assemblies are ideal for demanding industrial applications such as industrial automation and aerospace, marine, and telecom systems.
M16 6 Pin Circular Connector are ideal for demanding industrial applications such as industrial automation and aerospace, marine, and telecom systems. M16 Circular Connector are available in quick-lock wiring assembly types with IP67 protection and a vibration-resistant screw design.
M16 6 Pin Circular Connector are ideal for demanding industrial applications such as industrial automation and aerospace, marine, and telecom systems. M16 Sensor connector are available in quick-lock wiring assembly types with IP67 protection and a vibration-resistant screw design.



