USUN is a science and technology enterprise engaged in design, production, sale and trade for high-density PCB. 

Specialized in PCBs with 0-64 layers, have more than 12 years experience in this field. We can provide service of express sample,  small batch ，medium and mass production to meet the quality and delivery requirements of different; include double-sided, multi-layer, thick copper ，HDI， high frequency,Rigid-Flex,  metal base, halogen-free, impedance and other special boards.Our products are widely used in various fields such as communications,automotive electronics,  industrial control, computer applications, aerospace, military, medical, new energy and testing instruments. The core competitiveness is leading technology density process and technology, high quality, high punctuality rate, expedited delivery, consultative customer service, and optimal cost performance.

USUN has more than 12 years export experience in PCB business， All the products have wholly passed through the test of Europe Union “SGS-ROSH” and “SGS-REACH”, Also company has got ISO9001:2000 Quality Management system authentification, Rosh Environment.

Our mission is to be your preferred PCB provider by always innovating and expanding our services and industry leading equipments to meet all of your needs. Our customers keep coming back to Usun because of our high quality, low cost, on-time shipping and satisfied service.