... world class brand and devoting to create a hi-tech PCB enterprise in the past ten years .Now ,ZXH has set up ... boards ;Nowadays , ZXH has become a large scale PCB manufacturer in China .ZXH headquarters in Longgang District of Shenzhen with 1,2000 square ... ,500 employees who have rich experiences in the PCB management and production ; its annual output of PCB products is up to 1000,000 ...