... pcb manufacturer ,our products include blank pcb, single sided pcb,double sided pcb,multilayer pcb,flexible pcb,fr4 pcb,fr2 pcb,fr1 pcb,cem1 pcb,cem3 pcb,aluminum pcb,etc ... ,V-shape Surface Finish HASL,HASL pb free,immersion gold,immersion silver,immersion tin,O.S.P (Entek),S/G plating ... you are confused with pcb,kindly contact me for more details! 1.6MM thickness copper clad Single Side PCB Boards