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 详细信息 Product Name:                        20W LED Ceiling Downlight Exposed Series Spot Light frame Parts metal Casting                                                                                                Model NO.:                                        Exposed                                                                                                                Certification:                                        RoHS, ISO 9001:2008                                                                                                                Standard:                                        DIN                                                                                                                Machining Tolerance:                                        +/-0.02mm                                                                                                                Coating:                                        Talcum powder                                                                                                                Surface Roughness:                                        Ra0.05                                                                                                                Surface Treatment:                                        Electroplating                                                                                                                Casting Form Usage Count:                                        Permanent                                                                                                                Casting metal:                                        Nonferrous Alloys                                                                                                                Casting Form Material:                                        metal                                                                                                                Casting Method:                                        Special Casting                                                                                                                LED:                                        COB or SMD                                                                                                                Downlight Housing:                                        Aluminum Alloys                                                                                                                Downlight Cover:                                        Aluminum, Plastic or Iron                                                                                                                Reflector:                                        Aluminum Reflect Cup or Reflect Paper                                                                                                                Downlight Glass:                                        Glass or Acrylic Difusser                                                                                                                Total Weight:                                        5inch-208g, 8inch-347g, 10inch-609g                                                                                                                Glass:                                        5inch-111*T3, 8inch-165*T3, 10inch-238*T3                                                                                                                Hole Interval Diameter:                                        5inch-160mm, 8inch-200mm, 10inch-275mm                                                                                                                Applicable:                                        15W 20W 30W                                                                                                                Trademark:                                        YH                                                                                                                Transport Package:                                        PE Bag, Carton Box                                                                                                                Specification:                                        5 8 10Inch                                                                                                                Origin:                                        Guzhen China                                                                                                                                                    Product Description                                                                                            COB LED Aluminum Casting Exposed SeriesZhongshan Henglan Yunhu Hardware Factory. It′s expecializing in R & D, production and sales led downlight spring, led downlight kit,down light die cast, led down light shell, LED DownLight Housing, Die Casting, Aluminum Housing,LED Downlight spare parts.1. Quality assurance, always maintain high-level quality products, continuous new product updates, so you can sell with confidence!2. No need for you to stock up, you have zero inventory and zero capital pressure.3. Just leave your requirements, let us handle the rest.Downlight kitsDownlight Cover, DownlightReflect Cup,Downlight Glass, Downlight SurfaceDownlight CoverPlastic CoverReflectorReflect Cup or Reflect PaperDownlight GlassGlass or Acrylic DifusserLEDCOB or SMDFAQQ1:The price of downlight mainly depends on?A: First, thedownlighthousing's material and thickness.Second,thedownlightcover'smaterial and thickness.Third, thedownlight's power.aboutdownlighthousing, we useDie Casting Aluminum Alloys.Anddownlightcover, we useAluminum, Plastic or Iron.Q2. Can I have a sample order for led light?A: Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.Q3. What about the lead time?A:Sample needs 2-5 days, mass production time needs 1-3 weeks.Q4. Do you have any MOQ limit for led light order?A: Low MOQ, 1pc for sample checking is available.Q5. How do you ship the goods and how long does it take to arrive?A: We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping also optional.Q6. How to proceed an order for led light?A: Firstly let us know your requirements or application.Secondly We quote according to your requirements or our suggestions.Thirdly customer confirms the samples and places deposit for formal order.Fourthly We arrange the production.Q7: Do you offer guarantee for the products?A: Yes, we offer 3-5 years warranty to our products.Q8: How to deal with the faulty?A: Firstly, Our products are produced in strict quality control system and the defective rate will be lessthan 0.02%.Secondly, during the guarantee period, we will send new lights with new order for small quantity. Fordefective batch products, we will repair them and resend them to you or we can discuss the solution including re-call according to real situation.#1. How many downlights do you need per room?For example, you're looking at putting downlight in your bedroom which is 4 x 5 m (20m²), you should have180 (lux) x 20 (m²) = 3,600 Lumens in your space which is around 4 pcs downlights.#2. Are downlights energy efficient?Energy Efficient LED Downlights and their benefits:Consume around of 85% less energy in compare to halogen or traditional bulbs. Save up to 30% energy comparing with CFL lights.Save the budget and maintenance costs. Long Lasting up to 10,000 to 15,000 hours.#3. What wattage is best for LED downlights? For example, a standard halogen downlight uses 55 watts, but you can purchase LED alternatives ranging from 4.5 watts to 14 watts.Lumen is the standard unit for measuring the amount of light produced by a light source. 
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