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Help Center3000Hours Spiral Shape 10000K/7000K 25W CFL From GEM China Factory
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3000Hours Spiral Shape 10000K/7000K 25W CFL From GEM China Factory
CFL Principle
CFL is a type of light bulb which uses fluorescence as its primary means of creating visible light. A cfl bulb consists of a glass tube which is coated with a fluorescent material on the inside. Fluorescent materials are able to absorb certain frequencies of light and then glow, emitting new light at a greater wavelength than they absorbed. CFL Bulb tubes are filled with a mixture of gases containing trace amounts of mercury which becomes excited and emits ultraviolet light when an electrical current is sent through it. The ultraviolet light is absorbed by the fluorescent coating on the inside of the glass tube, and is converted into visible light which has a longer wavelength than ultraviolet light. The amount of energy needed to excite the gas is far less than the amount of energy needed to heat up the filament in a normal light bulb, and as a result, less energy is lost in the form of heat.
CFL Lamp Advantages
- No flicker,no glare,soon start.
- wonderful design,beautiful appearance.
- 80% energy saving than ordinary incandescent lamp,save cost.
- more than 8000hours lifetime,much longer than incandescent lamp.
- Excellent color rendering index.
- Energy Saving Lamp With PBT fireproof plastics material.
- Eco-friendly,eyes-protection.
- All color temperatures to choose,2700-6500K optional.
- Application: Marketplaces, hotels, houses, offices museums etc.
Structure of Spiral 25W CFL 7000K
| Lamp Base | Material:Nickle plated Iron/Copper/Aluminum |
| Base Type: E27/B22 | |
| Ballast | Specialized Ballast,excellent design and assembling,8000hours |
| Lamp Tube | Shape:half spiral,full spiral |
| Powder Material: mixed powder or halogen powder | |
| Ballast Housing | PBT(fireproof)/PP |
Dimensions Of Spiral 25W CFL 7000K
| Model | Power | Tube Size(mm) | Lamp Size(mm) | Qty/carton | Carton Size |
| T4 half spiral-25 | 25w | 12mm | L155xD58 | 50pcs | 66x33x20cm |
| T4 full spiral-25 | 25w | 12mm | L154xD61 |
50pcs | 69x34x20cm |
If want to know more,please contact me soon.Thank you.
Main Technical Parameter Datas
| Certifications | CE(TUV),ROHS,ISO9001 and others |
| Lamp Shape | half spiral,full spiral |
| Power | 25w |
| Luminous Efficiency | >40lm/w |
| Tube Powder Material | mixed powder,or halogen powder |
| Input Voltage | AC 110-130V;220-240V |
| Color Temperature | 7000K-10000K |
| Frequency | 50-60Hz |
| Color Rendering Index | ≥70Ra |
| Power Factor | >0.5-1 |
| Lifetime | ≥3000Hours |
Pictures
The Main Production Flow
1.Material Test
2.Ballasts Make and Test
3.Tube and Plastics Assemble
4.The Whole Lamp Assemble
5.Aging Test
6.Clean and Test
7.Packaging
8.Spot Check
Packaging
box(color box/foam box/blister box)+carton;
1pcs/color box;50pcs/carton;
carton sizes are according to the certain lamp shapes.
Shipping
samples:by TNT/DHL/UPS/Fedex.
Regular Bulk Order: by sea,by air or by road transportations.
Meaning of our band name"GEM"
G:Green E:Economic M:Modern
So "GEM" means green,economic and modern.
Company Profile
| Company Name | Hangzhou Jingjie Electric Co.,Ltd(GEM) |
| Established Year | 2003 |
| Brand Name | GEM |
| Specialized Products | CFL bulbs;Energy Saving Lamps;LED bulbs |
| Information On Alibaba | 6 years gold supplier; Trade Assurance Member |
Lighting Exhibitions
2008-Dubai
2010-Guangzhou
2010-Hongkong
2011-Japan
2011-Russia
2012-Guangzhou
2013-Turkey
2014-Poland
Our Service
| Reputation | Our company has set up a reliable reputation around the world |
| Service | Good service are waitng for your visiting |
| OEM | Acceptable |
| Inquiry | Any inquiries will be replied within 24 hours. |
| Efficiency | Finish your requirements as soon as possible. |
| Concept | GEM.That means green,economic and modern. |
| Quality is first,service is second and the business is the third. | |
| Customer is first, staff is second and business the third. |
Certifications
Q:What's the production time?
A:30-45 days for one order.
Q:What's the MOQ?
A:2000 pieces; More quantities,more cheaper the prices are.
Q:Are samples free?
A:Free.
Q:What's the payment?
A:T/T,30% deposit before production,70% balance to be paid before shippmet; L/C at sight.
Trade Assurance via
Q:Where are our main markets in the world?
A:North America, South America, Europe, South-east Asia.Besides,we want to explore other international market in the world.
Contact Person: sky(I always believe:no pains,no gains)
Send Inquiry to This Supplier
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