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{"title":"Whole Home Lightning Protection Low Voltage Surge Suppressor 220V 320V 20kA 40kA 80kA AC SPD","imgUrl":"https:\/\/img.chinax.com\/nimg\/e3\/8a\/ec8bb24eaead738fe259b81c252c-200x200-1\/whole_home_lightning_protection_low_voltage_surge_suppressor_220v_320v_20ka_40ka_80ka_ac_spd.jpg","attrs":{"Brand Name":"LLH","Model Number":"SLV-40S","Place of Origin":"China","Minimum Order Quantity":"1"}}
{"title":"Photovoltaic Surge Protective Device DC T2 SPD 100V 1000V 20KA 40KA For Power Generation Systems","imgUrl":"https:\/\/img.chinax.com\/nimg\/09\/3c\/40721a667ffdee8ef14a43e82ed4-200x200-1\/photovoltaic_surge_protective_device_dc_t2_spd_100v_1000v_20ka_40ka_for_power_generation_systems.jpg","attrs":{"Brand Name":"LLH","Model Number":"LPM PV1000","Place of Origin":"China","Minimum Order Quantity":"1"}}
{"title":"2 Wire Signal SPD Network Surge Arrester 5V 60V DC 5Vdc 10kV PLC Sensor Full Mode","imgUrl":"https:\/\/img.chinax.com\/nimg\/79\/ce\/62b282ef9b6df12d6428ca215b6d-200x200-1\/2_wire_signal_spd_network_surge_arrester_5v_60v_dc_5vdc_10kv_plc_sensor_full_mode.jpg","attrs":{"Brand Name":"LLH","Model Number":"LS-5W2","Place of Origin":"Guangdong Province.China","Minimum Order Quantity":"1 piece"}}
{"title":"Single Phase TUV CE SPD Device 275V 320V 385V 440V 20KA 40KA T2 For Power Supply Systems","imgUrl":"https:\/\/img.chinax.com\/nimg\/49\/b4\/2ee08312a8cf97708906f64255a3-200x200-1\/single_phase_tuv_ce_spd_device_275v_320v_385v_440v_20ka_40ka_t2_for_power_supply_systems.jpg","attrs":{"Brand Name":"LLH","Model Number":"LPM 20-275\/1+N","Certification":"CE,TUV","Place of Origin":"China"}}
{"title":"Gigabit Poe Surge Protector RJ45 10Gbps POE 5V 8V 48V 60V Communication Network Lightning Protector","imgUrl":"https:\/\/img.chinax.com\/nimg\/08\/5b\/355aaffcdd1b05d0e2b08b3757f4-200x200-1\/gigabit_poe_surge_protector_rj45_10gbps_poe_5v_8v_48v_60v_communication_network_lightning_protector.jpg","attrs":{"Brand Name":"LLH","Model Number":"LS-10G\/POE","Place of Origin":"China","Minimum Order Quantity":"1 piece"}}
{"title":"Surge Protection Home T1 T2 Type Three Phase Surge Protector AC 380V SPD","imgUrl":"https:\/\/img.chinax.com\/nimg\/8e\/c8\/f4b7931863de4f90875ff2a145fd-200x200-1\/surge_protection_home_t1_t2_type_three_phase_surge_protector_ac_380v_spd.jpg","attrs":{"Brand Name":"LLH","Model Number":"LPM H12.5M-280\/3+NPE","Place of Origin":"China","Minimum Order Quantity":"1 piece"}}
{"title":"Nylon Surge Protection Devices Spds LED SPD 220V 5kA 10kA IP67 Outdoor Lightning Protection","imgUrl":"https:\/\/img.chinax.com\/nimg\/60\/03\/7b5617f16d86c628cec31427e484-200x200-1\/nylon_surge_protection_devices_spds_led_spd_220v_5ka_10ka_ip67_outdoor_lightning_protection.jpg","attrs":{"Brand Name":"LLH","Model Number":"LPF 5-320","Place of Origin":"Guangdong Province.China","Minimum Order Quantity":"1 piece"}}
{"title":"Lightning Protection 3 Phase AC Whole House Surge Protectors 220V 20kA 40kA T2 SPD","imgUrl":"https:\/\/img.chinax.com\/nimg\/83\/b9\/99f35b257ac4329ac1f0949d5c0d-200x200-1\/lightning_protection_3_phase_ac_whole_house_surge_protectors_220v_20ka_40ka_t2_spd.jpg","attrs":{"Brand Name":"LLH","Model Number":"LPX-40C","Place of Origin":"Guangdong Province.China","Minimum Order Quantity":"1 piece"}}
{"title":"Lightning Current Peak Monitor 100kA MODBUS RTU Lightning Protection System Surge Recorder","imgUrl":"https:\/\/img.chinax.com\/nimg\/32\/da\/1afae61346fe6c6b9ae93cbd354a-200x200-1\/lightning_current_peak_monitor_100ka_modbus_rtu_lightning_protection_system_surge_recorder.jpg","attrs":{"Brand Name":"LLH","Model Number":"LS-LM100A","Place of Origin":"Guangdong Province.China","Minimum Order Quantity":"1 piece"}}
{"title":"Final Level Surge Protection Device Spd 12Vdc 2kA 3kA T2 T3 Sensitive Electronics Precision Device","imgUrl":"https:\/\/img.chinax.com\/nimg\/2f\/94\/e9d1955d7ad5b7513d12879eb650-200x200-1\/final_level_surge_protection_device_spd_12vdc_2ka_3ka_t2_t3_sensitive_electronics_precision_device.jpg","attrs":{"Brand Name":"LLH","Model Number":"LS-P12","Place of Origin":"Guangdong Province.China","Minimum Order Quantity":"1 piece"}}
{"title":"Electrical Surge Protection Decoupler 40A 15\u03bcH DIN Rail T1 T2 SPD Coordination Industrial Protection","imgUrl":"https:\/\/img.chinax.com\/nimg\/09\/f8\/0091634d4d0d5b814f0e6df64b85-200x200-1\/electrical_surge_protection_decoupler_40a_15_ce_bch_din_rail_t1_t2_spd_coordination_industrial_protection.jpg","attrs":{"Brand Name":"LLH","Model Number":"LTS-40A \/ LTS-63A","Place of Origin":"Guangdong Province.China","Minimum Order Quantity":"1 piece"}}
{"title":"Grounding Down Conductor Lightning Arrester Wire Copper Outdoor Grounding Cable 35mm","imgUrl":"https:\/\/img.chinax.com\/nimg\/e5\/bd\/1545b0cd27cb0188ad8c9b6cffc7-200x200-1\/grounding_down_conductor_lightning_arrester_wire_copper_outdoor_grounding_cable_35mm.jpg","attrs":{"Brand Name":"LLH","Model Number":"LCB3235","Place of Origin":"China","Minimum Order Quantity":"1000 meters"}}
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.
Basic Information
Company Name:
Shenzhen LLH Electrical Co., Ltd.
Business Type:
Manufacturer
Brands:
LLH
Employee Number:
20~100
Year Established:
2018
Total Sales Annual:
1000000-10000000
Company Location:
Room 303, Building A, Niu Lake Intelligent Park, Niu Lake Junxin, Guanlan Street, Longhua District, Shenzhen
Factory Location:
Room 303, Building A, Niu Lake Intelligent Park, Niu Lake Junxin, Guanlan Street, Longhua District, Shenzhen
Trade & Market
Company slogan:
Expert Manufacturer of Surge Protection & Lightning Safety Solutions!
OEM Overview:
1.Customization Scope: We support custom branding, packaging, electrical parameters, shell design, and interface modifications for surge protective devices (SPDs) and signal lightning protectors.
2.Development Support: Our R&D team works closely with you from concept design, prototype testing, to mass production, ensuring your custom solutions meet international standards (IEC, UL, etc.).
3.Minimum Order Quantity: We accept low MOQs for prototype validation and scale up production smoothly as your project grows.
4.Confidentiality: We strictly protect your intellectual property and design details with signed non-disclosure agreements (NDAs).
Production Line:
Production Line
At Shenzhen LLH Electric Co., Ltd., our state-of-the-art production line is the backbone of reliable, high-quality lightning protection solutions. Specialized in manufacturing surge protective devices (SPDs), signal lightning protectors, and related lightning protection equipment, we deliver consistent performance for global industrial and commercial clients.
Key Production Capabilities
Scalable Capacity: Our automated assembly lines support both small-batch custom orders and large-volume project deliveries, with flexible lead times to meet your project timelines.
Precision Manufacturing: Equipped with advanced testing instruments, including oscilloscopes, surge generators, and automatic detection systems, we ensure every product adheres to strict international standards (IEC, UL, etc.) and our own rigorous quality benchmarks.
End-to-End Quality Control: From component sourcing and SMT processing to final assembly, aging testing, and packaging, each step is governed by ISO 9001 quality management protocols to minimize defects and guarantee product reliability.
Skilled Expertise: Our seasoned production team and technical engineers optimize workflows continuously, enabling efficient production while maintaining the highest levels of craftsmanship and consistency.
With our robust production infrastructure, we stand ready to fulfill your lightning protection needs—whether for standard products or custom-engineered solutions. Contact us to learn more about our production capabilities.
R&D:
Innovation is at the core of Shenzhen Leilihai Electric’s mission. Our dedicated R&D team drives continuous improvement in lightning protection technology.
1.Technical Expertise: Our engineers specialize in surge protection circuit design, material R&D, and performance optimization, with rich experience in complying with global safety standards.
2.Testing Capabilities: We maintain a full set of advanced testing labs, including surge generator testing, waveform analysis, environmental reliability testing, and long-term aging testing, to validate product performance and durability.
3.New Product Development: We regularly launch innovative SPDs and signal lightning protectors to address emerging industry challenges and customer needs.
4.Collaborative Innovation: We welcome technical partnerships to co-develop customized solutions for specific industrial and commercial applications.
Our R&D efforts ensure our products remain at the forefront of lightning protection technology, delivering reliable performance for global clients.
Factory Information
Market name:
North America,South America,Southeast Asia,Western Europe,Eastern Europe,Eastern Asia,Middle East
