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

production workshop.

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

comply with the EU RoHS standard.

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

electronics.

Lanjin always addict to the principle of “ Quality and customer first”, provide customized services according to

customer’s demand. Your inquiry is welcomed , solve your question is our mission. LED light the world, Lanjin

lights your life!

Q1: Are you a factory or a trading company?
A1: We are a professional LED manufacturer specializing in the production of various LED products.

Q2: Can I get samples for testing?
A2: Yes, we welcome sample orders for testing and evaluating our LED quality.

Q3: Do you offer discounts for bulk orders?
A3: Yes, we provide wholesale pricing for bulk orders and customized products.

Q4: How do I choose the right LED light source?
A4: When choosing an LED light source, consider factors such as lumens (LM), light efficiency (LM/W), and lifespan (hrs). Higher values indicate better performance. Additionally, the brand of the LED chip, LED frame, and other materials will influence product reliability.

Q5: How do I place an order?
A5: To place an order, please let us know your requirements or application. We will provide a quotation based on your specifications or offer suggestions. Once the samples are confirmed, you can proceed with placing the order, and we will arrange production.

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