Shenzhen YuLiang Optoelectronic Technology Co.,Ltd was established in 2001, is a 

national high-tech enterprise. Factory ismainly engaged in R&D, production and sales 

of ultra high brightnessred, green, blue, yellow, orange, purple, pink, white, warm 

white, goldenyellow, RGB, RGBW etc, a full range of single core piranha led, multi 

corepiranha led, 0.5W piranha led, and SMD series 3014 side view, 

3014,3528,2735,5730,5050 SMD LED lamp beads, widely used in LED auto lamp, 

LED outdoorlamps, indoor lighting, commercial lighting and LED advertising logo 

lightsource field. 

Q1. Can I have a sample order for ledlight?

A: Yes, we welcomesample order to test and check quality. Mixed samples are acceptable.

Q2. What about the lead time?

A:Sample needs 3-5days, mass production time needs 1-2 weeks for order quantity more than 

Q3. Do you have any MOQ limit for ledlight order?

A: Low MOQ, 1pc forsample checking is available

Q4. How do you ship the goods and howlong does it take to arrive?

A: We usually shipby DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and seashipping also optional.

Q5. How to proceed an order for ledlight?

A: Firstly let usknow 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.

Q6. Is it OK to print my logo on ledlight product?

A: Yes. Pleaseinform us formally before our production and confirm the design firstly basedon our sample.

Q7: Do you offer guarantee for theproducts?

A: Yes, we offer2-5 years warranty to our products.

Q8: How to deal with the faulty?

A: Firstly, Our productsare produced in strict quality control system and the defective rate will beless 
than 0.2%.
Secondly, during the guarantee period, we will send new lights with new orderfor small quantity. For 
defective batch products, we will repair them and resend them to you or we candiscuss the solution i
ncluding re-call according to real situation.

Thanks for your reading! Please feelfree to contact me if you need them!
 Welcome for more details !

 ShenzhenYuLiang Optoelectronic Technology Co., Ltd

ShenzhenHeadquarters: 
SalesHotline: 13699817079(VIP Customers Line) 
Tel:+86-0755-29089991 
MQ:http://www.yllled.com/en/
Mailbox: yll@yuliangled.com
QQ:2355663924
  Address: BuildingA1,Low Carbon Tech Park,Guanlan   Town,ShenzhenCity,China