Shenzhen LLH Electrical Co., Ltd.
Shenzhen Leilihai Electric Co., Ltd
We are a high-tech enterprise that integrates the research and development, manufacturing, sales, and installation services of lightning protection devices and lightning protection system supporting products. The company has successively passed the German TUV certification, ISO 9001:2005 international quality system certification, national high-tech enterprise certification, and has obtained multiple invention, utility model, and appearance patents.
The core technical backbone has mainly written group standards for isolated lightning protection technology for communication base stations and testing methods for isolated lightning protection devices for communication base stations, and has nearly 20 years of experience in lightning protection product research and design and lightning protection technology. With a rigorous attitude and persistent pursuit of technology, they can solve lightning protection problems in various industries and customize design and engineering solutions for personalized products.
The company mainly provides sales and services for ultra-low residual voltage lightning protection series, lightning protection boxes, lightning protection modules, combination lightning protection devices, signal lightning protection devices, lightning current peak monitoring devices, grounding resistance monitoring devices, lightning strike counters and other lightning protection system supporting products. Some products have been tested by multiple lightning protection device testing institutions such as the Ministry of Information Industry, Beijing, Shanghai, Guangdong Leiningpu, and some products have passed German TUV, CE and Malaysian SIRIM certifications.
The company has fully automated production lines, laser marking machines, SPD module automatic soldering machines, automatic foot cutting machines, automatic packaging machines and other automated production equipment and testing equipment, such as 100kA (8/20 μ s) lightning current generators, thermal stability test benches, combined wave lightning generators, 10/700 μ s lightning generators, 200KHz precision LCR+DCR testers, lightning protection component testers, varistor DC parameter meters, electronic load testers, digital grounding resistance testers, Fluke network link testers, thermal imagers and other measuring instruments, testing fixtures, testing racks and other testing equipment; When some of the experiments cannot be met by our company, we can rely on the chip supplier's laboratory to complete the preliminary testing and feasibility testing of the technical solution.

We rely on our advanced research and development and product manufacturing capabilities, with some of our products being industry first and performance indicators at the forefront of the industry; The product is deeply loved by domestic and foreign customers for its characteristics of high traffic volume, low residual pressure, and rich product series. The products are mainly used in industries such as communication, power, petroleum, transportation, and security in China. In foreign countries, OEM and ODM customized high-end products are mainly sold to countries and regions such as the United States, Malaysia, South Korea, India, Vietnam, Taiwan, and Europe.
We take "technology as the core, market as the center, service as the focus, and product as the conscience" as our company's entrepreneurial philosophy. With keen market insight, strong talent and technological advantages, and a sound management system, we provide customers with high-quality lightning protection products, professional technical support, and after-sales service. Every product we develop and sell has won customer recognition
Unanimous praise.
We promise to provide our customers with high-quality products and services, and use their reputation as the cornerstone of our company's development.
Our Strengths & Experience
- Our team has nearly 20 years of experience in the development, customization and production of surge protectors.
- We are one of the strongest R&D, innovation and customization companies in China.
- Our company is the compilation of China's lightning standards units and engineers, involved in the preparation of national lightning standards.
- We have 10+ categories, nearly 1000+ models of surge protector, lightning counter, product line is China's most, one of the most comprehensive brands.
- We have more than 20+ invention patents, utility model patents and appearance patents.
- We have 10 years of international trade experience, for a number of international brands and listed companies to provide OEM services.
- The products we sell have a 3 year warranty and are free of charge.