About LONTU
IIC-rated industrial lighting and electrical solutions for hazardous areas.
ATEX, IECEx, CE & CCC certified. Factory-direct pricing with 6-year warranty.
Our Story
Founded in Zhongshan, China, Zhongshan Longju Technology Co., Ltd. (LONTU Brand) has spent over a decade engineering explosion-proof lighting and electrical equipment that protects people and property in the world's most demanding industrial environments.
Our mission is simple: deliver IIC-rated, certified-safe illumination at factory-direct prices — without compromising on quality, durability, or performance. Every product undergoes rigorous 100% inspection before it leaves our facility.
From oil & gas platforms in Russia to chemical plants in the Philippines, LONTU products operate reliably in temperatures from -45°C to +85°C, 24 hours a day, 7 days a week.
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11+
Years of Industry Experience
200+
Skilled Factory Employees
100%
Product Quality Inspection
6-Yr
Comprehensive Warranty
What We Do
High-bay, flood, canopy, tri-proof, and fluorescent fixtures rated for Zone 1 & Zone 2 hazardous areas.
Flameproof enclosures, terminal boxes, circuit breakers, and distribution boards tailored to your specifications.
Full private-label support from design and tooling to certification and packaging for your brand.
We manage ATEX, IECEx, CE, CCC, CQC and other regional certifications to unlock markets worldwide.
Industries We Serve
Refineries, rigs, pipelines
Plants, storage, processing
Underground, open-pits, tunnels
Processing, clean rooms
Substations, generation plants
Ports, vessels, terminals
Our Facility
Factory Exterior
Aging Test Area
Testing Laboratory
Assembly Line
Certification Wall
Product Showroom
Quality Control
Precision mould plate fabrication
Metal component shaping
Surface preparation & finishing
Precision surface treatment
Systematic component integration
LED module & driver installation
100% electrical & optical QA
Burn-in verification before dispatch
Compliance
All LONTU products carry the essential certifications required for global hazardous-area deployment, ensuring compliance with regional safety standards.
Global Reach
LONTU lighting solutions are trusted by clients across China, Russia, the Philippines, Southeast Asia, the Middle East, and beyond. Whether you need a single batch of certified fixtures or a long-term OEM partnership, our team is ready to support your project from quotation to delivery.
Contact our team today for a tailored quotation, technical datasheet, or OEM consultation. We respond within 12 hours.
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Zhongshan, Guangdong, China (Headquarters & Factory) Address: No.81 Caoxing West Road, Guzhen Town, Zhongshan City, Guangdong Province Email: aiwen@exltfb.com Phone: +8613025502307
Copyright © 2025 by Zhongshan Longju Technology Co., Ltd.