China's leading manufacturer of high-end connectors
Rugged. Precise. Customized.
Connecting Your Innovation.
Rugged. Precise. Customized.
Founded in 2010, Yolong Connectors has evolved into a leading manufacturer of high-performance industrial connectivity solutions. We specialize in the design, vertical manufacture, and deployment of ruggedized interconnects for mission-critical sectors, including Aerospace & Defence, Robotics, Medical, Industrial Automation, and 5G Communications.
Backed by a fully vertically integrated supply chain—from precision mold making to automated assembly—and ISO9001/IATF16949 certifications, YoLong delivers superior connectivity solutions ranging from Mil-Spec and M-Series connectors to custom cable assemblies, empowering innovation in the world’s most demanding markets.
- 16+ Years Professional Service
- 30+ Cooperated Countries
- 2000+ Happy Customers
- 10000+ High-quality Products


Certifications
Latest News

VG95234 Connector Selection Guide: Shell Sizes, Insert Arrangements, and Contact Types
VG95234 connectors offer over 49 insert arrangements, 12 shell sizes,

VG95234 vs MIL-DTL-5015: Differences, Compatibility, and How to Choose
VG95234 and MIL-DTL-5015 are two of the most widely used

Industrial Connector Failure: 7 Most Common Causes and How to Prevent Them
Connector failures rarely announce themselves cleanly. A machine doesn’t stop

Industrial Ethernet Connector and Cabling Guide: PROFINET, EtherNet/IP, and EtherCAT Wiring Best Practices
Industrial Ethernet field wiring fails more often from connector and
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