elevator control panel : Layer:10-layer Base material:FR-4 UL,RoHS compliant ... decryption, software system design and software decryption, Development of electronic control board, Remote control, LED related product, PLD decryption, CPLD decryption, SCM developing ... other material that you have in mind. With the following board finishes. OAL, Immersion gold, Immersion silver, OSP (ENTEK), Hard Gold ...