T30 E27 Edison LED filament Bulb 4W led filament light for Bedroom Decoration
LED filament light bulbs are made from ceramic substrates with excellent thermo-optical properties and qualified LED chips with lumen efficiencies up to 140lm/W.
The finished light bulb adopts a constant IC driver, assembled in a well-polished glass bulb housing filling with inert gas, they are flicker-free, 360 degree illumination, power efficiency over 90%, and CRI up to Ra95. The finished light bulbs should pass strict drop test, high temperature test, compression test and surge test.
The product lifespan is up to 25,000 hours and comes with a 2-year warranty. Customized services includes packaging, optical parameters as well as dimmable models to meet different requirements.
These bulbs are widely used in hotels, shopping malls, chandeliers, residential buildings and many other areas for general lighting or decorative purposes.
Type | T30 |
Color Temperature | warm white/natural white/cool white |
Watts | 4W/6w |
Support Dimmer | Yes/No |
Size | 30*185mm |
Beam angle | 360Degree |



FAQ







1. Q: Are you a factory or trading company?
A: We are a professional manufacturer, our team has committed to the LED diode/bulb business for more than 20 years. We sincerely welcome you visit our factory at any time. We locate in Jiaxing, Zhejiang, China.
2. Q: Can you offer the OEM for us?
A: Yes, we welcome you to be our OEM client and we are willing to discuss all the details and requirements with you before we issue a formal plan.
3. Q: Why choose us?
A: Our company is a leading domestic high-tech enterprise integrating research and development, design, production and sales of LED diodes and LED application lighting products.
4. Q: How does your factory do regarding quality control?
A: Every time we complete a production step, we will conduct a test for the products. Before shipping, we will do test for every batch of products, especially aging test
Q5. Is it OK to print my logo on C35 LED filament bulb product?
A: Yes. Please inform us formally before our production and confirm the design firstly based on our sample.
Q6: How to deal with the LED filament bulb faulty?
A: Firstly, Our products are produced in strict quality control system and the defective rate will be less
than 0.2%.
Secondly, during the guarantee period, we will send new lights with new order for small quantity. For
defective batch products, we will repair them and resend them to you or we can discuss the solution i
ncluding re-call according to real situation.