LONGDIAN UPDATES | Longdian Successfully Passes ISO 9001 Three-Year Recertification Audit
Oct.30, 2025
Tianjin Longdian Electrical Engineering Co., Ltd. has successfully passed the three-year recertification audit for its GB/T 19001-2016 / ISO 9001:2015 Quality Management System, conducted by Det Norske Veritas (DNV). The new certificate, issued by DNV on October 29, 2025, covers the design, production, and manufacturing of explosion-proof electrical products, high and low voltage distribution cabinets, and industrial electrical control systems.
[ISO 9001 Quality Management System Certification Certificate]
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.
