Precision Control Systems forDemanding Environments
From proportional joysticks to integrated control solutions — engineered for reliability where it matters most.
Trusted OEM Partner forOver 10 Years
Consistent engineering standards and reliable delivery, whether you order 10 or 10,000 units.
Engineered forExtreme Conditions
IP67 sealing, -40°C to +85°C operating range, ISO 7096 vibration resistance for the harshest environments.
CompleteSystem Integration
From joystick to wire harness — single supplier for your entire operator interface with CAN J1939 integration.
Featured Products
Precision-engineered control components for demanding off-highway applications

GJ508 Spring Shock Absorbing Seat
GJ508 spring shock-absorbing seat is a highly reliable shock-absorbing seat product specially developed for the cab of agricultural machinery, construction machinery, and special operation vehicles. The seat adopts a spring shock-absorbing structure, which can effectively absorb the bumps and vibrations during vehicle travel, reducing the fatigue of the driver during long-term operation. The overall structure of the product is sturdy and durable, and the seat height, backrest angle, and slide rail position can all be adjusted, enabling it to fit drivers of different body types and various operation scenarios. It is widely used in tractors, harvesters, loaders, excavators, aerial work platforms, etc., and is an important accessory for improving the comfort and operational stability of the cab.

GJ502 Spring Shock Absorbing Seat
The GJ502 spring shock-absorbing seat is a heavy-duty shock-absorbing driver's cabin seat specially designed for agricultural machinery, construction equipment, and special operation vehicles. It adopts a bottom spring shock-absorption structure and supports adaptive adjustment for weights ranging from 50 to 130 kilograms. It is equipped with a rotating chassis, adjustable headrests with height adjustment, and dual side armrests. It offers two standard installation hole positions to fit mainstream equipment. The seat's leather / fabric material allows for multi-color customization. The overall welded and reinforced base is shock-resistant and durable, significantly buffering the vibrations caused by field and construction site bumps, reducing the fatigue of drivers during long-term operations. It is widely compatible with tractors, harvesters, loaders, engineering special vehicles, and other equipment.

GJ219 Intelligent Electric Control Armrest Box
The GJ219 intelligent electric control armrest box is a new generation of multi-functional armrest box product launched by Guanjie based on the modular design concept. The product integrates multiple functional units into one, supports flexible combination, and is suitable for various application scenarios. The integrated multi-functional operation handle button layout is scientific and easy to operate, significantly enhancing the human-computer interaction experience. The overall structure adopts an integrated molding process, balancing aesthetics and practicality. It supports customizing the exclusive control panel layout according to the customer's personalized needs, achieving a perfect match between functions and operation habits.

GJ214 Intelligent Electric Control Armrest Box
The GJ214 intelligent electric control armrest box is a new generation of multi-functional armrest box product launched by Guanjie based on the modular design concept. The product integrates multiple functional units into one, allowing for flexible combination and suitable for various application scenarios. The integrated multi-functional operation handle button layout is reasonable, the operation is convenient, and combined with the one-piece molding process, the structure is sturdy while also taking into account aesthetics and practicality, significantly enhancing the human-computer interaction experience. It supports personalized customization according to customer needs, achieving a perfect match between functions and operation habits.

GJ212A(右手)智能电控扶手箱
GJ212A(右手)智能电控扶手箱是冠杰面向工程机械及农林机械推出的多功能智能扶手箱产品。箱体采用工程塑料一体成形,坚固耐用;单手柄操作可轻松控制液压行走系统,并支持手动调节升降与前后位置,操作省力、姿态自由。产品功能模块高度灵活,可根据客户需求定制选配,全面适配各类设备的操控场景。

GJ213 Intelligent Electronic Control Armrest Box
The GJ213 intelligent electric control armrest box is an integrated control assembly specifically designed for agricultural and construction machinery driver's cabins. It features a modular integrated structure and an integrated molded shell, integrating multi-functional electric control operation handles with scientifically designed and user-friendly button layouts. The product supports flexible module combinations and customized exclusive control panels, balancing both aesthetic appearance and industrial durability. It can meet the usage requirements of various agricultural machinery and construction equipment models, accommodate different driver operation habits, and can be equipped with shock-absorbing seats as a complete set. It is widely used in equipment such as harvesters, tractors, and loaders, and is a high-quality integrated control component for driver's cabins.
Complete Control System Components
Eight product categories engineered for off-highway equipment
Why Leading OEMs Choose Guanjie

Proven Track Record
Over a decade of OEM partnerships with leading global manufacturers and full part number integration.
- 10+ years OEM partnership experience
- Full OEM part number system
- Consistent quality at any order volume

Engineered for Extremes
Built to perform in the harshest construction and industrial environments.
- IP67 sealing protection
- -40°C to +85°C operating range
- ISO 7096 vibration resistance

Modular by Design
Mix and match components to match your exact cabin configuration.
- Customizable joystick grips and bases
- Modular armrest configurations
- Flexible mounting options

Full-System Integration
Single supplier for complete operator interface from joystick to wire harness.
- Complete control system components
- Integrated CAN J1939 network
- Reduced supplier coordination
Trusted by Global OEM Leaders
Over a decade of proven partnerships with industry-leading manufacturers worldwide — delivering consistent quality and reliability at any scale.
Supplying proportional joysticks and armrest consoles for mobile cranes and construction equipment. Full OEM part number integration with >99.8% on-time delivery.
Provider of IP67-sealed control components for mining and earthmoving equipment. Consistent performance in extreme vibration and temperature conditions.
Trusted supplier for excavator and concrete machinery control systems. Customized solutions for Asian market requirements with rapid prototyping support.
Certifications & Honors
Internationally recognized quality standards and industry certifications validating our commitment to excellence

ISO 9001:2015
Since 2015International certification for quality management systems, ensuring consistent product quality and continuous improvement.

CE Certification
Since 2010Compliance with EU safety, health, and environmental protection requirements for industrial control equipment.

UL 508A
Since 2012Underwriters Laboratories certification for industrial control panels, meeting North American safety standards.

RoHS Compliance
Since 2011Restriction of Hazardous Substances compliance, ensuring products are free from lead, mercury, cadmium, and other toxic materials.

IP67 Testing
Since 2013Certified dust-tight and water-resistant up to 1 meter immersion for 30 minutes, verified by independent testing laboratory.

ISO 7096
Since 2014Operator seat vibration damping certification for earth-moving machinery, ensuring operator comfort and safety.

ISO 9001:2015
Since 2015International certification for quality management systems, ensuring consistent product quality and continuous improvement.

CE Certification
Since 2010Compliance with EU safety, health, and environmental protection requirements for industrial control equipment.

UL 508A
Since 2012Underwriters Laboratories certification for industrial control panels, meeting North American safety standards.

RoHS Compliance
Since 2011Restriction of Hazardous Substances compliance, ensuring products are free from lead, mercury, cadmium, and other toxic materials.

IP67 Testing
Since 2013Certified dust-tight and water-resistant up to 1 meter immersion for 30 minutes, verified by independent testing laboratory.

ISO 7096
Since 2014Operator seat vibration damping certification for earth-moving machinery, ensuring operator comfort and safety.
Application Scenarios
Precision control solutions engineered for demanding off-highway environments
Construction Equipment
Heavy-duty control systems for excavators, cranes, loaders, and mining equipment. Engineered to withstand extreme vibration, dust, and temperature conditions.

Agricultural Equipment
Reliable control components for tractors, harvesters, sprayers, and agricultural machinery. Built for long lifecycle and resistance to chemicals and weather exposure.

Ready to Specify Your NextControl System?
Our application engineers are ready to help you find the perfect solution for your equipment.