Ceiling Hang Li's knowledge _ saving (certified) _ ceiling with high-tech zones by Anyang Heng Lai energy-saving lamps factory. High-tech Zone Anyang Heng Lai energy-saving lamps factory (ayhljnd.b2b.hc360.com) is specialized in "energy-saving lamp assembly sales" of the enterprise, the company of "honesty, hard service" concept, to provide you with the highest quality products and services . Welcome to inquire! Contact: Manager. Note LED Ceiling: Install the product must be licensed professional electrician, do not recommend unauthorized disassembly. Products and flammable materials to ensure the ceiling with a distance of at least 0.2m, was installed to ensure that there are 2 centimeters Zenith brand ceiling with high clearance lamps can not all be installed inside the zenith of the ceiling with the purchase, or heat wall, low-voltage and high-voltage wires to note traces separately. LED ceiling used to pay attention: Do not frequent switching. Try not to frequently switch when using LED ceiling lamp, LED ceiling because frequent circular ceiling with instant start, the current through the filament is greater than the normal operating current, making the filament temperature increased rapidly accelerate sublimation, which will greatly reducing its life, so to minimize the lamp switch.