ShenZhen TongAn Electron Co.,Ltd is a high-tech enterprise specialized in raw metal circuit board. Company main products are single, double-sided aluminum plate, COB encapsulation mirror aluminum plate, COB drill cup of aluminum plate, COB packaging silver plated copper substrates, products are widely used in LED lighting, LED chip packaging, automotive electronics

  • soft Hard combi
  • Special materia
  • Special materia
  • Special materia
  • Special materia
  • Buried blind ho