... authentication: Rosh(lead-free , Pb-free),4. SMT ,DIP and wave solder processing5. Reliable OEM/ODM PCBA( pcb assembly ) service6. Flexible ... ( pcb assembly )8. In-circuit testing ,functional testing and flying probe testing9. SMT placement for SOP, QFP, CSP ... , and BGA packages10. Full experienced QC and inspector11. PCBA( pcb assembly ) for power , ...