... approved Aluminum PCB; 2.High Quality with Competitive Price; 3.Quick turn,OEM. Aluminium PCB, LED PCB , Aluminum ... Immersion Silver , Gold Plating (Flash Gold), OSP, etc.14SoldermaskGreen, White, Red, Yellow, Black, Blue, transparent photosensitive soldermask, Strippable soldermask ... High Thickness copper21Thickness of Copper0.5-14oz (18-490um)3> Quote Requirements for PCB and PCB Assembly project:- ...