Zhongyuan circuits,it is the fastest growing ontop pcb manufacturer in Shenzhen China.It has an experienced management system and highly professional engineering R & D team.Equipped with complete processes and advanced equipments, the maximum production capacity reached to 16,800ft2 per day. In year 2023,annual sales is about 28 million USD. The factory extends to develop technological progress for manufacturing high-end products and special products. After many years development,gradually forme