LONGDIAN PRODUCTS | High Protection Grade Enclosures – LD-GFHS & LD-FHX / JXX Series – Ratings Up to IP66, IP67, IP68, IP69, and 300m Submersible
Dec.30, 2025
Tianjin Longdian Electrical Engineering Co., Ltd. proudly presents its independently developed and manufactured High Protection Enclosures (LD-GFHS) and Submersible Protection Enclosures (LD-FHX). These products have been tested by the National Explosion-Proof Product Quality Inspection and Testing Center (Tianjin) and have obtained certifications for IP66, IP67, IP68, and IP69 high protection ratings. In addition, the JXX Series Protection Junction Boxes (Submersible Junction Boxes) have successfully passed pressure and protection tests at the Shanghai Jiao Tong University Underwater Technology Comprehensive Laboratory at a depth of 300 meters.
Longdian's high protection grade enclosures are widely applicable in municipal engineering, underground rail transit, onshore and offshore oil & gas, chemical, marine, mining, ocean engineering, and emergency rescue sectors, providing reliable electrical protection and safety solutions in extreme environments.
I. LD-GFHS Series High Protection Enclosures
II. LD-FHX Submersible Protection Enclosures
III. JXX Series Protection Junction Boxes (Submersible Junction Boxes)
Our Core Business:
I. High & Low Voltage Power Distribution
II. Explosion-proof Electrical Equipment
III. Electrical Automation Control
IV. High Protection Grade Enclosures
We are committed to providing first-class products and services with superior quality and efficient responsiveness.
—— Tianjin Longdian Electrical Engineering Co., Ltd.
LONGDIAN
www.longdian.cn
