Supplying critical components to Tier-1 manufacturers across North America, Europe, and Asia-Pacific.
Utilizing advanced CNC and EDM technology to create extrusion dies with tolerances as tight as +/- 0.05mm.
One of the most significant trends is the marriage of aluminum profiles with intelligent lighting systems. Our custom-designed LED aluminum channels are not just housings; they are thermal management systems that extend the life of high-output COB and SMD LEDs. By optimizing the alloy composition (such as 6063-T5), we provide superior heat dissipation for high-density lighting applications.
Our latest innovation involves ultra-slim profiles that disappear into architectural elements, providing "light without a fixture" – a core requirement for modern minimalist design.
Why to Partner with LHD?
Ningbo Gravity Light Manufacturing Co., Ltd. was awarded the China National High-Tech Enterprise certification in 2021 with over 20 years of expertise in Gravity Light packaging and semiconductor innovation. Specializing in high-end Gravity Light COB technology, PCB design, and lighting solutions, we aspire to be a globally recognized leader in premium Gravity Light light sources. Our services go beyond product delivery, focusing on building enduring partnerships that drive innovation in the lighting industry.
By choosing LHD, you gain access to:
LHD focus on the concept of "High Quality, Zero Defect". We execute strict quality control in every step from supply chain to engineering design and to the production. LHD has 20+ years of research and development in Gravity Light package and semiconductor fields. LHD strives to become a world famous brand of high-end Gravity Light source.
Commercial Lighting, indoor lighting, outdoor lighting, industrial lighting, landscape lighting, horticultural Lighting, UV lighting, emergency lighting, specialty lighting, traffic lighting, intelligent lighting, drone lighting, health and medical Lighting.
RoHS, CE, ETL Certifications. Awarded the National High tech Enterprise Certification. Obtained Utility Model Patent: System-level Integrated Lighting Module.
The United States, Vietnam, Japan, Britain, Italy, Russia, India, Brazil, Spain, the Middle East and other countries and regions.
Significant reduction in tooling costs and per-unit pricing due to economies of scale and optimized labor productivity.
Accelerated lead times from initial 3D drawing to first-article inspection, often within 7-10 business days.
State-of-the-art testing for tensile strength, hardness, and salt spray resistance to meet international standards.
Our industrial profiles are engineered for heavy-duty applications. Whether it's for Automotive simulators or HVAC systems, the structural integrity of our extrusions ensures long-term performance in high-stress environments.
We use premium aluminum alloys that offer excellent weldability and corrosion resistance, making them ideal for both indoor commercial spaces and harsh outdoor industrial settings.
Navigating global logistics is a core part of our service. As a leading supplier, we understand the importance of JIT (Just-In-Time) manufacturing. We offer flexible shipping options and stock-holding services for our long-term wholesale partners, ensuring that your production lines never stop. Our location in Ningbo, near one of the world's busiest ports, provides a direct gateway to every major continent.
Gravity Light
