ET LIMITED specializes in manufacturing high precision and high density PCBs will be your best choice. Our products including Single Side PCB, Double Side PCB, Multilayer PCB and PCB Assembly. The parameter of PCB we can provide as follows：

Base material: Ceramics, Aluminum, Rogers, high Tg, F4B, F4BK, F4BT, TP, PF, FR4, FR1, FR2, CEM-1, CEM-3, etc.
Board thickness: 0.30 to 3.20mm (12 to 26mil)
Copper thickness: 0.50 to 5 ounce
Solder mask: LPI solder mask, conventional solder mask, peelable solder mask, UV solder mask
Minimum line width: 0.1mm (4mil)

Minimum line space: 0.1mm (4mil)

Minimum hole diameter: 0.25mm (10mil)

PTH hole diameter tolerance: +/-0.076mm (+/-3mil)

NPTH hole diameter tolerance: +/-0.03mm (+/-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