About Us

Deep expertise in connectors, delivering reliable connections for industrial equipment.

Company Profile

Shenzhen Jingang Technology Co., Ltd. was established in 2015. As a high-tech enterprise specializing in aviation connectors and plugs, we integrate R&D, manufacturing, and sales under one roof. Based in Shenzhen, our company operates a standardized production facility equipped with comprehensive manufacturing machinery and reliability testing instruments, enabling end-to-end product development, production, and testing.

With years of deep expertise in the connector industry, we specialize in circular aviation connectors and waterproof connectors. Our products serve diverse sectors including aerospace, industrial automation, rail transit, new energy, stage performance equipment, and more. Equipped with multiple automated production lines, our annual capacity exceeds one million units. We provide reliable supply of standard inventory while offering customized connection solutions tailored to specific operational conditions for clients worldwide.

The company adheres to the core philosophy of "Quality First, Customer First," establishing a comprehensive production quality control process. We strictly manage raw materials, manufacturing processes, and final inspections to ensure long-term product stability. Simultaneously, we continuously invest in R&D to iterate product craftsmanship based on market demands, optimizing connector durability and compatibility to effectively address real-world usage challenges.

Leveraging Shenzhen's comprehensive supply chain resources and years of industry expertise, we flexibly respond to order requirements while balancing delivery efficiency with after-sales support. Future, Changgang Technology will continue to focus on the connector sector, refine product quality, and optimize supporting services to become a trusted domestic connector manufacturer. M5 Connectors: Molded/Assembled Plugs (Straight/Angled), Front/Rear-Mount PCB Sockets, Solder-Type Sockets, 3-4pin M8 Connectors: 3-8pin; A/B/D Coding; Straight & Angled Molded/Assembled Plugs; Panel-Mount Sockets; Shielded Versions M12 Connectors: 2-12pin; A/B/D/X/L Coding; Molded Plugs, Field-Installable Plugs; T-type/Y-type 1-to-2 Splitters; LED-Indicator Plugs, Damping Plugs; Front/Rear-Mount Square-Flange PCB Sockets; Special Anti-Solder-Splash Connectors M16 Connectors: 2-24pin; Straight & Angled Molded/Assembled Plugs; Front/Rear-Mount Square-Flange Sockets; 304/316 Stainless Steel Salt-Spray Resistant Versions; Matching Dust Caps, Assembly Wrenches M23 Connectors: High-Power Power & Signal Connectors for Drives and Actuators 7/8 Connectors: Industrial Power Circular Connectors MS5015 (MIL-DTL-5015): Thread-Locking; MS3106 Straight Plugs, MS3108 Angled Plugs, MS3102 Square-Panel Flange Sockets, MS3100 Wall-Mount Sockets; Solder/Crimp Contacts, 2-61 Contacts 26482 (MIL-DTL-26482/GJB598): Bayonet-Locking; Series I / Series II; MS3110/MS3112/MS3116, Shielded & Sealed Circular Aerospace Plugs & Sockets VG95234 (NATO Reversed Bayonet): Reversed 3-Point Quick-Lock Bayonet; Straight Plugs, 90° Angled Plugs, Wall-Mount & Box-Flange Sockets; Pin-out Compatible with 5015; Vibration-Resistant & Quick-Plug/Unplug; For Rail Transit & Heavy-Duty Vehicles; Solder and Crimp Contacts MIL-DTL-38999 (D38999 Series III): High-Reliability Military-Grade Aerospace Connectors; Size 9-25# Shells; Triple-Start Quick Thread Locking; Five-Key Polarization for Mating Prevention; EMI Shielding; Stainless Steel/Aluminum Alloy Housings; Solder & Crimp Contacts; Applied in Aviation, Military, and Radar Equipment Stainless Steel Corrosion-Resistant Versions: 304, 316 Stainless-Steel Housings for 5015/26482/VG95234/38999, Suitable for Marine, Salt-Spray, and Chemical Environments HE Heavy-Duty Connectors: Complete Housings, Bases, Top Covers, and Inserts; 2-216 Contacts, 5A-200A High Current; Screw, Crimp, and Spring-Clamp Termination; Mixed Power-Signal Modules; IP65-IP68 Protection; High-Power Connectors for Control Cabinets, Rail Transit, and Equipment Cabinets

Production Workshop

Manufacturing Capability

6 items

Automated production line

High-precision automated production equipment

200K

Annual production capacity

Reliable and stable supply capability

100%

Quality Inspection Process

Full inspection before shipment to ensure quality

Certifications

ISO001

ISO001

ISO 4001

ISO4001

Military Certification

Military Certification

CE Certification

CE Certification

Core Team

Engineer Zhang

Engineer Zhang

Technical Director

20 years of connector industry experience

Engineer Li

Engineer Li

R&D Manager

Led multiple technology innovations

Engineer Wang

Engineer Wang

Quality Manager

Strictly control product quality

Company Culture

Company Overview – Factory Exterior, Reception Area, and Production Workshop

Shenzhen Changgang Technology Co., Ltd.

Specializing in aviation plugs and connectors, providing reliable connection solutions for industrial equipment.

Scan to follow us

1688 Store QR Code

1688

WeChat QR code

WeChat

Douyin QR Code

Douyin

Contact

  • 0755-28581899 13798417940
  • 236266887@qq.com
  • Luogang Industrial Zone, Buji, Longgang District, Shenzhen

Working Hours

  • Monday to Friday: 9:00 - 18:00
  • Saturday: 9:00 - 12:00
  • Sunday: Off

© 2026 Jingang Technology Co., Ltd. All Rights Reserved

Guangdong ICP License No. 15035427