FOR PROJECT SUPPORT CONTACT-US AT 86-755-21000850
info@derunledlights.com
LED strip_LED strip light_LED strip lighting

FAQs

About products

1. How much lumen led chips you use for your led strip lights?
3528 7-8LM, 5050 22-24LM, 2835 22-24LM, 5630 45-50LM.  We offer high lumen led chips for our normal led strips. We also offer other lumens led chips for special projects, e.g. 2835 28-30lm led chip.

2. How much color rendering index for your led chips?
DeRun use at least Ra80 led chips to do our led strip lights. When we test by the integrating sphere machine, it usually shows Ra83 for most of our led chips. We also use many Ra90 and Ra95 led chips for special projects. We can offer the test report for each batch of our led strip light.

3. How much color temperature you can do?
For warm white and white color, 2200K, 2700K, 3000K, 4000K, 5000K, 6000K and 11000K these color temperatures are popular. We can do other color temperatures according to customer’s request.

4. What kind of waterproof index can you offer?
IP20: Non-waterproof
IP65: Silica gel covering, Silica half encapsulated
IP67: Hollow silica gel extrusion
IP68: Solid silica gel extrusion

5. What kind of pcb board do you use for your led strips?
DeRun use at least 2 ounces pcb board, some are 3 ounces and 4 ounces for better dissipation. They are 100% pure copper. Most of our PCB board are UL listed from the PCB producer of Hongqi Lighting and Founder Soonest Electronics.

6. What kind of led chips do you use for your led strips?
DeRun mostly use Epistar brand led chips. We can do other brand chips according to customer’s request, for example, Samsung, Philips, San’an, Honglitronic and Smalite led chips. All of these led chips are in high quality. We only focus on high quality product.

7. Can you always keep the uniformity of your color temperatures?
DeRun always keep the same bin color temperature for all our led strip lights. It’s very important to our customers.

8. Can you design pcb board for customers?
DeRun have our own engineer team. Whatever flexible strip pcb or rigid strip pcb, our engieer team can draw greber files for customers in the first time. We welcome all OEM and ODM orders from all over the world.

 

About orders

1. Is that possible to pay by credit card or paypal?
Yes, we accept paypal for sample order and small orders. You’d better to pay by T/T when the order amount is more than $500. The commission of paypal is too high for big amount.

2. Please let me know if it is possible to apply for a multiple listing of your UL File#?
Multiple listing is available on you for mass order. ML for UL: $500.

3. How long it takes for multiple listing?
It takes about 3-4 weeks. Therefore, it can be started after you placed the mass order.

4. How long will it take to receive my order?
We begin to process your order as soon as we get your payment. Usually, sample order takes 3-5 days. Mass order takes 7-10 days. We usually ship by DHL or UPS, takes about 3 days.