... Standard brass, silicon brass. H68,H65, H59, brass C3600, with material certificate available.2.Surface Finish:galvanic / chemical nickel / ... Advantage: Good quality and fast delivery, in line with most competitive price.7.Certificate: ISO9001:2008, ISO14001:20048.MOQ:30000pcs9.Lead time ... QC, Engineers and after sale worker to deal with such things.In case this thing happened, we will deliver the ...