Company Introduction | Hazardous Area Electrical Solutions Provider

About LongDian

Established in 1998, Tianjin LongDian Electric Engineering Co., Ltd. is a high-tech enterprise that integrates research, manufacturing, and trading. As a leading manufacturer of high/low-voltage power distribution equipment, explosion-proof electrical apparatus, and high-protection-level electrical enclosures in China, the company holds memberships and positions in several prestigious industrial associations. For instance, it is a member of the China Electrical Equipment Industrial Association and a council member of its Explosion-Proof Electrical Apparatus Branch.

LongDian is also a first-tier supplier for China National Offshore Oil Corporation (CNOOC), a registered supplier for Sinopec, and a qualified supplier for the Energy One Network of China National Petroleum Corporation and the Cloud Procurement System of China National Chemical Corporation. In addition, the company maintains a close partnership with ABB Electric and is an authorized panel builder for Schneider Electric.

Our company's management fully complies with international advanced standards. In 2004, we first obtained the ISO9001 Quality Management System certification from Det Norske Veritas (DNV). Subsequently, we also passed the certifications for the ISO14001 Environmental Management System and the ISO45001 Occupational Health and Safety Management System. Some of our products have been certified by the China Classification Society (CCS), Det Norske Veritas (DNV), Bureau Veritas (BV), and the American Bureau of Shipping (ABS). Our company holds production qualifications for XBZ1 013 12/0.4MF box-type substations (with a maximum capacity of 2500KVA) and KYN28A-12 type medium-voltage cabinets. Twelve models of withdrawable and fixed low-voltage distribution panel cabinets, including MNS, GCS, GCK, GGD, GGJ, GFH10, GGD6, CFD, XL, PXTF, XDD, and PZ, not only possess CCC certification but have also obtained the EU CE certification. Part of our explosion-proof electrical products has passed the EU ATEX certification and the International Electrotechnical Commission (IEC) IECEX certification.

Our company is a national "High-Tech Enterprise" and a "Technology-Based Small and Medium-Sized Enterprise". We have been recognized by the Tianjin Municipal Industry and Information Technology Bureau as a "Tianjin Innovative Small and Medium-Sized Enterprise", a "Tianjin Specialized and New Small and Medium-Sized Enterprise", and a "District-Level Enterprise Technology Center". Additionally, we have been honored as a "Contract-Abiding and Credit-Worthy Enterprise" by the Tianjin Administration for Industry and Commerce, and recognized as an "AAA Credit Rating Enterprise" under the CEC9000 International Credit Management System. Several of our products have obtained "Tianjin Key New Product Certificates" and "Utility Model Patent Certificates". Furthermore, our company has been awarded titles such as "China Energy-Saving and Environmental Protection Product" and "Green Environmental Protection Promotion Enterprise" by national environmental protection organizations.

1998

Date of Establishment
11000+㎡

Manufacturing Space
30+

Global Certifications
2000+

Customers Served
14

Senior Electrical Engineers

Tianjin LongDian Electric Engineering Co., Ltd.

Corporate Advantages

Scenario Cultivation

Focusing on high-risk scenarios in petroleum / chemical / oil and gas fields, our products have strong adaptability to explosion-proof and high protection characteristics, far exceeding those of general electrical equipment enterprises;

Qualification Access

Having the qualification for offshore equipment maintenance of CNOOC and 132 formal qualifications, one can enter the core supply chain of state-owned enterprises/large-scale projects with high entry barriers

R&D Customization

68 patents (including explosion-proof special patents), specialized and innovative enterprise, strong non-standard customization ability, able to quickly respond to special scenario needs

Delivery Service

Adhering to the principle of "high quality and speed," our team boasts strong collaboration capabilities and high delivery efficiency, perfectly meeting the industry's urgent order needs, shortening delivery time by more than 50% compared to European and American companies;

Cost and Capacity

Relying on a complete domestic supply chain, our cost-effectiveness is far superior to that of European and American companies, and our production capacity can meet the needs of both domestic and international bulk/customized orders.

Company History

Development History of LD Electric

Since its establishment, Tianjin Longdian Electric Co., Ltd. has consistently focused on the R&D, manufacturing, and service of explosion-proof electrical equipment, power distribution systems, and intelligent control devices. With years of steady development and deep expertise in the field of industrial safety electrical solutions, the company has grown into a modern enterprise integrating technological innovation, large-scale manufacturing, stringent quality control, and comprehensive market services.

Foundation Stage

At the early stage of its establishment, the company positioned itself in the field of industrial explosion protection and electrical safety, focusing on the R&D and manufacturing of core products such as junction boxes, distribution boxes, and explosion-proof enclosures. With solid product quality and a pragmatic business approach, the company quickly established a presence in regional markets, laying a strong foundation for future growth

Standardization and System Development Stage

As the company continued to expand, it comprehensively advanced standardized, regulated, and system-based management. It successively obtained certifications for ISO 9001 Quality Management System, ISO 14001 Environmental Management System, and ISO 45001 Occupational Health and Safety Management System.A complete modern enterprise management framework was established, achieving standardized control across the entire process—from R&D and procurement to production and after-sales service.

Technological Advancement Stage

The company continuously increased investment in R&D and established a professional technical team, focusing on optimizing key technologies such as flameproof structural design, sealing and protection processes, and precision machining of flameproof joints. It successfully developed multiple high-performance, high-reliability explosion-proof products and obtained a number of patents and innovative achievements. With its strong technical capabilities, the company has been recognized as a National High-Tech Enterprise and a Technology-Based SME, with product performance reaching advanced industry levels.

Expansion Stage

The company completed the upgrade and transformation of its production base, significantly enhancing production capacity, manufacturing precision, and delivery capability. Its product portfolio has been continuously expanded, covering explosion-proof junction boxes, explosion-proof distribution boxes, high-protection enclosures, power distribution systems, and automation control solutions. With stable product quality and rapid response capability, the company has successfully entered key industries such as petroleum, chemical processing, gas, pharmaceuticals, grain processing, and defense, becoming a long-term supplier for numerous engineering projects

Brand Enhancement Stage

The company adheres to the principles of safety first and quality excellence, continuously improving its domestic and international certification systems. Its products have obtained multiple authoritative certifications, including national explosion-proof certificates, inspection reports, CE, IECEx, and ATEX. The market now covers the entire country and extends to overseas regions. With a strong reputation and credibility, the company has been recognized multiple times as a “Contract-Honoring and Trustworthy Enterprise” and “Excellent Supplier,” with its brand influence continuing to grow.

Innovation and Development Stage

In response to the trends of industrial intelligence, safety, and sustainability, LD Electric continues to focus on core areas such as explosion-proof electrical equipment, high-protection enclosures, and intelligent power distribution systems. The company continuously drives product iteration and upgrades, committed to providing global customers with safer, more reliable, and fully compliant industrial electrical solutions. With its professional expertise, it safeguards industrial site safety and contributes to high-quality industry development.

Vision

We provide customers with first-class products and services with the aim of high quality and speed

Our Goal

To become a modern manufacturing enterprise!

We possess advanced management concepts, an advanced management system, highly qualified management and technical personnel, independent R&D and innovation capabilities, independent intellectual property rights, advanced manufacturing equipment, advanced manufacturing processes, highly skilled technical workers, and a corporate culture that aligns with social development trends. This is our understanding of a modern manufacturing enterprise!
Our Policy

Integrity, Science, and Safety!

Integrity is the foundation of a sustainable business! Relying on science and innovation is a necessary path for enterprises to continuously develop and grow! Safety is the prerequisite for all work in enterprises!
Our Mission

Quality and Speed!

Providing customers with the best value products and services, both high-quality and fast, is the key to a company's vitality!
Our Understanding

Health, Safety, and Environmental Protection!

We firmly believe that Health, Safety, and Environmental Protection (HSE) are the guarantee of a company's sustainable development! They are also the social responsibilities that a company should bear!

Factory Showcase

Company Entrance

Our company entrance represents a professional explosion-proof electrical equipment manufacturer with over 10 years of industry experience. We specialize in explosion-proof control panels, junction boxes, and low-voltage distribution systems, serving global customers with reliable hazardous area electrical solutions.

Sheet Metal Workshop1

Our sheet metal workshop produces high-quality explosion-proof junction boxes and electrical enclosures with IP65/IP66 protection levels. We support OEM and ODM customization for different industrial electrical enclosure requirements.

Machining Workshop2

Our machining workshop is equipped for precision manufacturing of explosion-proof enclosures and electrical components, ensuring high accuracy and stability. As a trusted ATEX and IECEx certified manufacturer, we strictly follow international standards for industrial electrical equipment production.

Assembly Workshop3

In our assembly workshop, skilled workers assemble explosion-proof control panels and electrical cabinets under strict quality control. This ensures reliable performance for hazardous area applications including Zone 1 and Zone 2 environments.

Shipping Area

Our shipping area ensures efficient packing and delivery of explosion-proof electrical equipment, supporting fast global logistics. We guarantee safe packaging and timely delivery for international industrial electrical projects.

Factory Overview

This aerial view shows our modern manufacturing facility specializing in explosion-proof electrical systems and low-voltage distribution equipment. With large-scale production capacity, we support both standard and customized hazardous area electrical solutions.

Engineering Team

Our engineering team focuses on explosion-proof electrical design and customization, providing OEM and ODM services based on ATEX and IECEx standards. We deliver tailored solutions for complex industrial hazardous area projects.

Offshore Oil Field

Our explosion-proof electrical equipment is widely used in offshore oil and gas platforms, where safety and reliability are critical. Certified with ATEX, IECEx, CE, and CCC, our solutions ensure stable operation in extreme hazardous environments.

Onshore Oil Field

Our explosion-proof control panels and electrical enclosures are widely applied in onshore oil and gas industries. We provide durable and safe hazardous area electrical systems designed for high-risk industrial environments.