topco-the core business is to sell and distribute silicone products that are mainly manufactured by shin-etsu silicone taiwan and japan. these products include silicone fluid,modified silicone,defoaming agents,release agents,textile treatment agents,cosmetic additives,paint additives,foam stabilizers,green tin catalyst,silicone resins,silicone psa,silane coupling agents,colcoat antistatic agents,silicone powders,paper/film release agents,silicone rubber compound,liquid silicone rubber injection molding system,selective self-adbesive liquid injection molding system,cross-linking agent,color paste for silicone,base coat / premier,one-component rtv rubbers,rtv ll two-component rtv rubbers,silicone lubricants(grease),silicone fluid compounds,led application material,modified silicone rtv,photobond,release agent,secondary optical lens,solar battery application material,curtain walls of building construction and sealants related products,ptfe microporous,uv curing adhesive,microencapsulation foaming material.