Hangjian Circular Connectors
- High Safety – Many products have passed military-grade certifications such as MIL-DTL-38999, GJB599, and other reliability standards, ensuring long-term performance in extreme conditions.
- High Stability – Featuring high precision and low temperature drift, our connectors ensure stable performance in harsh environments.
- Multi-Protocol Support – Hangjian connectors support a variety of protocols, including MIL-DTL-38999 and GJB599, ensuring compatibility with diverse industrial systems.
Micro-D Connectors,Rectangular Connectors
- High Safety – Designed and tested to meet MIL-DTL-83513 standards, Hangjian Micro-D connectors offer superior protection in high-reliability applications, ensuring robust performance in harsh environments.
- Compact Design – Micro-D connectors are small in size yet maintain high durability and high-density performance, making them ideal for applications where space is limited but reliability is critical.
- Multi-Protocol Support – These connectors support a wide range of protocols, including military standards (MIL-DTL-38999), providing reliable and seamless integration into your system.
Fiber Optic Connectors
- High Reliability – Hangjian fiber optic connectors comply with MIL-DTL-38999 and GJB599 standards, ensuring exceptional durability and performance for data transmission in extreme conditions such as aerospace, military, and industrial environments.
- Multi-Protocol Support – Hangjian fiber optic connectors support various protocols, including GJB599, MIL-DTL-38999, and other military standards, offering seamless integration into high-performance communication systems across multiple industries.
- Custom Solutions – We provide customizable fiber optic connectors, tailored to meet the specific requirements of your system. Whether for aerospace, communications, or defense, our solutions offer flexibility, ensuring optimal performance in demanding applications.
Products
Temperature transmitter
Fieldbus-enabled for RTD/TC – HART/FF/PA protocols, ±0.1°C accuracy, low drift, explosion-proof.
Smart Pressure Transmitters
±0.075% accuracy piezoresistive sensors – HART/FF/PA/DP protocols, explosion-proof for harsh use.
Communication Modules & Chips
Modbus to HART/FF/PA/DP conversion – low-power, certified modules/chips for fieldbus.
Industrial Signal Converters
Fieldbus to 4-20mA converters – HART/FF/PA support, high accuracy for legacy systems.
Industrial Interface Devices
Power conditioners & terminators – stable fieldbus networks, explosion-proof, easy install.
Custom Development Services
OEM fieldbus/protocol customization – rapid prototyping, HART/FF/PA/DP certified.
Why choose HangJian?
Integrated Manufacturing
Lean automated production + ISO 9001 traceability for reliable quality in harsh conditions.
Focus on Sales
Dedicated support, fast response, tailored solutions for global partners.
Product Reliability
±0.075% accuracy, SIL2/Ex ia certified, proven long-term stability.
Corporate Social Responsibility
RoHS/REACH compliant, ISO 14001, sustainable & ethical practices.
Military connectors
are military grade and developed to withstand the harsh operating conditions and meet the demands of arm forces. Kaida is a specialist military connector supplier capable of designing, producing and supplying high performance military specification connectors for a variety of military applications, such as military aircraft, communication devices, ground vehicles, tanks, ships, unmanned aerial vehicles (UAV) and GPS systems. Our military connectors are featured by compact size, light weight, high density and excellent resistance to moisture, salt spray, fungus, rain and sand, allowing for efficient functioning even in the harshest environment.
Industrial Connectors
With over 25 years of experience in the supply of industrial connectors, hangjian is a company capable of providing industrial connectors designed to achieve high performance operations in various industrial applications such as machine tools, robotics, heavy equipment, LED lighting, agricultural equipment, plant automation, smart manufacturing and material handling. Our industrial connectors are suitable for any industrial outdoor applications, since the housing of these connectors are made of different materials and coatings to adapt to various operating conditions such as tough sandy and wet environments.
Medical Connectors
Nowadays, medical connectors are widely used in medical equipment such as surgical defibrillator, patient monitoring system, diagnostic imaging device, magnet resonance imaging (MRI), electrophysiology catheter, and others. Kaida supplies high performance medical connectors that deliver reliable contact and ensure high integrity of signals for protecting the wellbeing of patients. Our medical connectors will assist you in overcoming the difficulties associated with medical applications, due to their features of compact size, light weight, easy cleaning, waterproof sealing, and great resistance to extreme temperature and chemical corrugation.
Automotive Connectors
Automotive connectors play an important role in electrical connection under harsh conditions. Welcome to Kaida, a dependable supplier of automotive connectors for various vehicle applications. Our automotive electrical connectors are applicable to battery management systems, automotive LED lighting & headlight systems, safety and security systems in electric vehicles, hybrid vehicles, cargo trucks, lift trucks, cranes, as well as military vehicles. Based on our self-developed high-speed connection technology, automotive connectors we produce can dependably transmit real-time data to vehicles while delivering exceptional durability to withstand strong impacts.
Railway Connectors
Because railway equipment like locomotives and wagons are subjected to vibrations and impacts, so railway connectors used to transmit signals must be strong enough to withstand these demanding working conditions, as well as other factors such as extreme temperatures and humidity. Kaida offers high performance connectors for railway applications to ensure safe and reliable connection and operation. These railway connectors are designed to withstand harsh conditions including high vibration, impaction, extremely high and low temperatures, and wet environments such as rain and humidity.
Aerospace Connectors
Aerospace and aviation connectors are commonly used in applications including airframe power distribution, landing gear, in-flight entertainment, navigation, communications, control system and more. Welcome to Kaida, a professional supplier of aviation connectors with focus on developing high performance aircraft connectors for over 25 years. We can offer a wide range of aviation and aerospace connectors for airplanes, helicopters and commercial aircraft.
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Nanjing Hangjian Electronic Technology Co, Ltd.was established in 2014 and islocated in Yuhua Economic Development Zone, Nanjing. It is a high-tech enterprisespecializing in the research, development, manufacturing-sales-and_service ofmilitary connectors. In 2017, it passed the GJB9001C quality system certification. It isa national second-level confidential unit, a weapon equipment contractor, and anational advanced unit for military-civilian integration.
Product Certification

