News & Updates

Stay informed with the latest news, product launches, industry insights, and
company announcements from LONTU.

Featured News

Our most important announcements and highlights

Single-duct explosion-proof portable air conditioner on a concrete floor

Common Explosion-Proof Air Conditioner Problems and Troubleshooting

Common Explosion-Proof Air Conditioner Problems and Troubleshooting An explosion-proof air conditioner runs in a harsh environment. Eventually, something fails. A drop in cooling, a tripped breaker or a strange noise all stop work. Therefore, quick diagnosis matters. This guide covers common problems and practical fixes for explosion-proof air conditioner troubleshooting. In addition, it shows when […]

09/20/2026

Latest News

Recent updates and announcements from our team

Common Explosion-Proof Air Conditioner Problems and Troubleshooting
Single-duct explosion-proof portable air conditioner on a concrete floor

Common Explosion-Proof Air Conditioner Problems and Troubleshooting An explosion-proof air conditioner runs in a harsh environment. Eventually, something fails. A drop in cooling, a tripped breaker or a strange noise all stop work. Therefore, quick diagnosis matters. This guide covers common problems and practical fixes for explosion-proof air conditioner troubleshooting.

Spot Cooler vs Explosion-Proof Air Conditioner: Which One Do You Need?
Three-outlet explosion-proof portable air conditioner with adjustable louvers

Spot Cooler vs Explosion-Proof Air Conditioner: Which One Do You Need? Facility managers often ask one question: do we need an explosion-proof spot cooler or a full air conditioner? Both cool industrial spaces. However, they solve different problems. This guide compares explosion-proof spot cooler options with fixed systems. Then it

Explosion-Proof Refrigerators: Safe Cold Storage for Hazardous Areas
Explosion-proof stainless steel refrigerator with double doors in a laboratory environment

Explosion-Proof Refrigerators: Safe Cold Storage for Hazardous Areas Hazardous areas need cold storage too. Flammable chemicals, lab samples and medicines all require controlled temperatures. A standard refrigerator, however, can ignite the atmosphere. Its compressor, thermostat and interior light all create sparks. Therefore, classified plants use an explosion-proof refrigerator instead. This

Subscribe to Our Newsletter

Get the latest news, product updates, and industry insights delivered directlyto your inbox.

Subscription Form

News & Updates

Stay informed with the latest news, product launches, industry insights, and
company announcements from LONTU.

Get Instant Explosion-Proof Lighting Updates!

Subscribe for the latest on safe, certified LED solutions for oil & gas, chemical, mining, and hazardous environments.

Global Locations & Support

Applications Overview

Quick Links

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.