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International Trade Fair for Construction Machinery,
Building Material Machines, Mining Machines and Construction Vehicles.

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bauma CHINA 2026
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QINHUANGDAO YIJIU TECHNOLOGY DEVELOPMENT CO., LTD.

SNIEC W5.820

Headquarters: China

Target Groups: Construction / Mining / Aviation & space / Intelligent technology / New energy

home Exhibitor Directory QINHUANGDAO YIJIU TECHNOLOGY DEVELOPMENT CO., LTD.

Company

Qinhuangdao Yijiu Technology Development Co., Ltd. (hereinafter referred to as "Yijiu Technology"), founded in 2007, is a technology?oriented enterprise integrating R&D, manufacturing and sales.

Yijiu Technology specializes in customized industrial wireless remote controllers. Its products are widely applied in military industry, mining, construction, hoisting, tunnel engineering, fire protection, shipbuilding, robotics and other industries. Custom?built wireless controllers can be developed in accordance with customers’ technical requirements.

The company has obtained CE certification for the European Union, FCC?ID certification, ISO 9001 Quality Management System Certification, explosion?proof certification as well as MA/KA mine safety certification. It regularly engages professional experts for technical and managerial guidance to continuously improve its management performance.

Adhering to the tenet of “Innovation, Independence, Efficiency and Professionalism”, Yijiu Technology provides high?quality services for domestic and foreign enterprises with reliable products and solid reputation. We look forward to win?win cooperation with your side for joint development and brilliant achievements together.

Product Category

Products

YJS Series Wireless Controller

Product category：Remote control technique and data transmission

Perfect Design The housing uses high-strength engineering plastics with multi-layer internal brackets for optimized mechanical performance. Its fully sealed body resists water, dust and impacts. Ergonomic curved handguards fit palms well, and the shoulder strap enables easy, stable operation. A concealed high-gain antenna avoids external damage. Ultra-Fast & Stable Millisecond-level remote response delivers lag-free control. Adopting forward error correction, frequency modulation and encrypted verification, it boasts strong anti-interference for diverse scenarios. Safety & Reliability Power-on self-test, joystick zero-position protection, plus active/passive emergency stop functions handle emergencies. Rich Functions Optional 2.8/4.3-inch screens and 7-inch video monitors. Supports current/voltage output and multiple protocols including CAN2.0, Modbus, RS232/485. It realizes one-to-many/many-to-one control and customizable 1km+ long-range transmission.

Intrinsically safe and explosion-proof transmitters

Product category：Remote control technique and data transmission

Perfect Design The whole housing uses high-strength flame-retardant material with multi-layer internal supports for optimal mechanical performance. Fully sealed, it resists water, dust and impact. Ergonomic curved guard fits hands well; the sling ensures stable, easy operation. A built-in high-gain antenna avoids external damage. Fast & Stable Millisecond-level remote response with instant control. Adopting forward error correction and frequency modulation plus multi-encrypted verification, it delivers strong anti-interference for diverse environments. Safe & Reliable Intrinsically safe & explosion-proof transmitter complies with GB/T3836.1-2021 and GB/T3836.4-2021. It supports power-on self-test. Joysticks/switches have zero-position protection. Active and passive emergency stop functions handle emergencies.

Industrial remote control

Product category：Remote control technique and data transmission

Our products are widely used across major industries and sectors including industry, agriculture, construction, mining, petrochemicals, military defense, fire protection, aerospace, environmental protection, and robotics. We offer customized solutions tailored to specific needs and support fully domestic manufacturing nationwide.

YJA Series Handheld Remote Controller

Product category：Remote control technique and data transmission

Perfect Design The whole housing is made of high-strength engineering plastics with multiple internal support structures, complying with mechanical principles. Fully sealed, it is waterproof, dustproof and impact-resistant. Ergonomically shaped to fit palms, it supports easy one-hand operation. The built-in hidden high-efficiency transmitting antenna avoids external damage. Fast & Stable Millisecond-level signal response delivers instant control. Adopting forward error correction and frequency modulation with multi-encrypted verification, it features strong anti-interference for diverse environments. Safe & Reliable Power-on self-test is available. Joysticks and switches support zero-position protection, preventing startup at non-zero positions. Active and passive emergency stops handle emergencies. Versatile Functions Optional 1.7-inch screen shows real-time status. Auto sleep supported. Outputs include current, voltage and data in custom combinations. Protocols: CAN2.0, Modbus, RS232/485, Profibus, Profinet. Multi-to-one and one-to-many control are achievable.

YJG Series Wireless Controllers

Product category：Remote control technique and data transmission

Perfect Design The housing uses high-strength engineering plastic with internal multi-bracket structure for optimized mechanical performance. Fully sealed, it is waterproof, dustproof and impact-resistant. Ergonomic, lightweight and handy, with a concealed high-efficiency transmitting antenna against external damage. Ultra-fast & Stable Millisecond-level signal response with zero lag. Data transmission adopts forward error correction and frequency modulation plus multi-encryption verification for strong anti-interference in diverse conditions. Safe & Reliable Power-on self-test available. Joysticks and switches support zero-position protection to prevent startup out of zero position. Active and passive emergency stop functions handle emergencies. Versatile Functions Supports two-way communication and auto sleep. Outputs include current, voltage and data in custom combinations. Compatible with CAN2.0, Modbus, RS232/485, Profibus, Profinet. Multi-to-one and one-to-many control supported.

Company Brochure

International Trade Fair for Construction Machinery, Building Material Machines, Mining Machines and Construction Vehicles

Exhibitor Service International

Tel. +49 89 949-20252

Exhibitor Service China

Tel. +86 21 2020-5500
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