SHUANGJING.SHUANGJING was established in 1985, occupying a site area of 150 mu (approximately 24.7 acres) with a building area of 65,000 square meters. The company currently employs 332 staff members, including 81 with college degrees or higher, 72 professional technicians, 4 senior engineers, and 18 engineers. Specializing in coal mine safety electrical equipment, SHUANGJING's primary products include: ZBZ Series (Intelligent, Contactless, Vacuum) Lighting Signals and Coal Drill Comprehensive Protection Devices; QJZ (QBZ) Series Intelligent Mine-Use Explosion-Proof and Intrinsically Safe (Reversible) Vacuum Electromagnetic Starters; KBZ Series Intelligent Vacuum Feeder Switches; KHP series mining belt conveyor protection and monitoring devices; PJG series high-voltage power distribution equipment; PJGZ series high-voltage electromagnetic starters; 〇JZ series mining explosion-proof and intrinsically safe multi-circuit combination switches; KXL series high/low-voltage leakage detection devices; KZBM explosion-proof electrical protection performance intelligent test benches, among other product lines. Among these, the KXL-I1(IV) low-voltage selective leakage protection device holds a 90% market share in China's coal mining sector. Primary products include: feeder switches, electromagnetic starters, integrated lighting protection products, belt conveyors, combination switch products, soft starters, drainage systems, fan switches, high-voltage switches, high-voltage electromagnetic starters, test benches, and quick-connect switch assemblies.