About us
Company profile
Company honor
Digital Transformation Management System Certification
Certification of Integrated Informationization and Industrialization Management System
Small and medium-sized enterprises with specialized, refined, unique, and innovative characteristics in Shaanxi Province
Certification of high-tech enterprises
Shaanxi Province Excellent Quality Brand Enterprise
Enterprises listed on the Science and Technology Innovation Board
Donation certificate
Corporate culture
Service coverage area
Product
Explosion proof digital intercom system
Explosion proof speaker
Explosion proof digital telephone station
Explosion proof digital telephone station - noise reduction version
Explosion proof speaking station
Explosion proof digital intercom control box
Explosion proof communication control box
Regular network telephone
Wireless handheld network telephone
Explosion proof speaker
Anti noise and noise reduction pavilion
Drilling explosion-proof monitoring system
Explosion proof cylindrical camera
Explosion proof PTZ integrated camera
Explosion proof ball type camera
Explosion proof hemispherical camera
Explosion proof infrared cylindrical camera
Explosion proof PTZ integrated infrared camera
Explosion proof display
Explosion proof control keyboard
Explosion proof network bridge
Explosion-proof control box
Qualification
System certification
Domestic explosion-proof certification
Explosion proof control box
Explosion proof network bridge
Explosion proof display
Explosion proof control keyboard
Explosion proof cylindrical camera
Explosion proof PTZ integrated camera
Explosion proof ball type camera
Explosion proof digital telephone station
Explosion proof digital intercom control box
CCC authentication
ATEX authentication
Explosion proof intercom telephone station
Explosion-proof loudspeaker
Explosion-proof control box
Explosion proof network bridge
Explosion proof monitor
Explosion proof control keyboard
Explosion proof Barrel type camera
Explosion proof PTZ integrated control camera
Explosion proof spherical camera
Explosion proof network telephone station
Patent certificate
A method and system for coordinating big data network communication
A communication module calling system and method
A communication device audio data transmission system
A drilling rod image acquisition method for explosion-proof drilling
patent for invention
Utility Model Patent Certificate
Utility Model Patent Certificate
Utility Model Patent Certificate
Utility Model Patent Certificate
Utility Model Patent Certificate
News
Corporate news
Perfect Ending, Grateful for the Journey CIPPE 2026 Event Review
Dongrui: Building on the Past, Innovating for the Future – A Review & Outlook for Beijing Petroleum Exhibition 2025
Shaanxi Dongzerui Technology Appears in CIPPE
Shaanxi Dongzerui Technology Development Co., Ltd. relies on technological innovation to achieve accelerated development
Maintenance and management analysis of explosion-proof equipment in oil drilling systems
The cumulative production of crude oil from China's largest offshore oilfield has exceeded 500 million tons
Explosion-proof knowledge