... 4. chemical fine chemical ; surfactants and lithium battery 1,3-propane sultone 1,3-PS Pharmaceutical 1,3-propane sultone 1 ... agents,surfactants and lithium battery etc.1,3-propane sultone 1,3-PS Pharmaceutical intermediateNickel Plating ... Copper plating (Brightener& leveling agent)CB-1, CB-4, CB-5,CB-6...Acid Copper PlatingSPS, ... PZ-1,PZ-2, PZ-3, PAC, BY-1, PAE- ...