7 Segment LED Displays are devices designed to display numbers and various symbols. These displays have seven segments, each of which can be lit up in different combinations to show different digits and symbols, provide a simple and effective way to display information and are ideal for applications such as digital clocks, calculators, meters, and more.
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Dongguan Lanjin Optoelectronics Co., Ltd. established in 2005, a professional manufacturer in producing light emitting diode, LED digital display, SMD LED , through-hole LED and LED PCB assembly service. Covering 2,500 square meters factory plant, with modern purification constant termperature and humidity anti-static Our company has passed ISO9001:2015 international Quality management system certification, and now applying for ISO14001 Environmental management system certification. With 18 years development, we achieved 2 national invention patents, 12 practical new-type patents, 2 software invention patents, all products Lanjin has absorbed the advanced manufacturing technology of Japan, Korea and Western Europe. With a high starting point, high quality market positioning, developed high temperature resistance & long life LED. Widely used in communication equipment, swithching power supply, decorative lighting, multi-speaker, DVD and other Lanjin always addict to the principle of “ Quality and customer first”, provide customized services according to customer’s demand. LED light the world, Lanjin lights your life! |
Q1: Are you a factory?
A1: Yes, we are a professional LED manufacturer in Dongguan city 18 years, specialize in SMD LED, through-hole LED and LED displals.
Q2. Can I have a sample order for your products?
A2: For standard type,Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.
Q3. What about the lead time?
A3:Sample needs 3-7 days, mass production time needs 1-3 weeks .
Q4. How do you ship the goods and how long does it take to arrive?
A4: We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping also optional.
Q5: Do you offer guarantee for the products?
A5: Yes, we offer 2-3 years warranty to our products.
Q6: How to deal with the faulty?
A6: 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 resend them to you or we can discuss the solution including re-call according to real situation.
Q7. How to proceed an order ?
A7: 1. let us know your requirements or application.
2. We quote according to your requirements or our suggestions.
3. customer confirms the samples and places deposit for formal order.
4. We arrange the production.