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

Explosion-Proof Air Conditioner Guide 2026: Standards, Types & Buyer Checklist
Explosion-proof wall-mounted air conditioner with Ex certification installed on the wall of an industrial workshop

Hazardous-area facilities never stop needing cooling — the atmosphere is simply flammable. Control rooms, VFD cabinets, battery charging rooms, solvent warehouses and analyzer shelters all generate heat. In a Zone 1 or Zone 2 area, however, a standard air conditioner is an ignition source, not a solution. This guide summarizes

Explosion-Proof High Bay Lighting for an Electronics Factory in Guangzhou

Explosion-Proof High Bay Lighting for an Electronics Factory in Guangzhou Opening: what this catalog case shows This project case from the LONTU product catalog shows how explosion-proof lighting can support Guangzhou Electronic Equipment Factory Project. The project is located in Guangzhou, China. For independent-site buyers, the case is useful because

GBK Explosion-Proof High Bay Lighting for a Chemical Plant in Urumqi
Sand Yellow National Standard LED Explosion Proof High Bay Light IP66 Die Cast Aluminum Industrial Hazardous Lighting for Chemical Plant Gas Station Mine Warehouse

GBK Explosion-Proof High Bay Lighting for a Chemical Plant in Urumqi Opening: what this catalog case shows This project case from the LONTU product catalog shows how explosion-proof lighting can support Suzhong Construction Urumqi Chemical Plant Project. The project is located in Urumqi, China. For independent-site buyers, the case is

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.