Danfore endeavors to develop new products with the cutting-edge LED technology. Our expert R&D team have abundant knowledge of electric components, thermal management, optics as well as industrial design. All products are CE&RoHS approved. The prototype of custom design can be submitted to customers in a shortest time as only 3 days.
Danfore has an excellent overseas sales and after-sales team. The whole team will keep on standby for the best service for valued customers.
1. Provide good servicerReply inquiry within 12hours
2. Strict control in production, keeping the products in high quality.
3.Coustomized design is ok. OEM is available.
4.Offer products with high quality and comeptitive price. Fast delivery.
LED Filament FAQs
1. Are you trading firm or manufacturer?
We are manufacturer for sure
2. What's the chip of filament ?
3. What color temperature can you provide?
Our regular color temperature is 2700K 2200K, 4000K,6000K. we also can make other color temperature as your requirements, MOQ is 5000pcs filaments. We also can provide Green/Blue/Red/Pink/Orange colors.
2700k is closer to Halogen light bulbs or old Tungsten incandescent light bulbs. Customers’ most favorable color temperature is 2700K
4. What about the glass covers ?
We have Clear / Frosted / Milky White / Golden(amber)/ Smoked grey/Sand ballast(matt finish) options for our led filament bulbs.
We also have colored bulbs such as RED/BLUE/GREEN/YELLOW and etc. MOQ is 500pcs
Smoked grey and sand ballast(matt finish) treating, MOQ is 500pcs as well
5. What certificates do you have?
CE , Rosh for European market
ETL for North American market, ETL File number is 5002818
6. What's your market?
We mainly export goods to North America and European countries.
7. Can your bulbs be dimmable?
Yes, we make non-dimmable and dimmable versions.
8.How about your production line ability?
20,000 PCS each day so far.
9. Which substrate inside of filament?
We have ceramic and sapphire substrate for option
Ceramic is cheaper, it is 100lm/watt, sapphire is more expensive, it is 120lm/watt
10. What's the warranty?
We provide 2 years warranty on led filament bulbs
11. What filament size do you have?
For classic led filament bulbs, we use three size series:26mm/38mm/58mm
For soft led filament or U-shaped , sizes are flexible