... 12 years history factory with production capacity of 100K sqm per year. We are PCB factory in Shenzhen city, our products ... FR2, Ceramics, Aluminum, Rogers, F4B, F4BK, F4BT, TP, PF, CEM-1, CEM-3, etc. Board thickness: 0.30 to 3.20mm ... (+/-1.2mil) Maximum board size: 460 x 620mm (18 x 24) Board finishing type: Hot air leveling, soft gold, hard gold, immersion gold, gold fingers. Shenzhen PCB ...