... items:1) Intermediateds for nickel plating, zinc plating and copper plating and relevantraw materials and equipment for plating:a) For nickel plating: ALS ... , PABS, PAP, PA, PME, POPS, PS, PN, PPS-OH 40% and 45%, PPSb) For copper plating: DPS, HI (2-mercapto thiazoline ...