Custom manufacture, in particular including contract manufacture, of chemicals for use in industry, namely adhesive agents, antistatic preparations, surfactants (surface-active agents), dispersing agents, waterproofing agents and flame retardants for paints and lacquers, plant protection preparations and other industrial applications; custom manufacture, in particular including contract manufacture, of defoamers for paints and lacquers, defoamers for plant protection preparations and defoamers for other industrial applications; custom manufacture, in particular including contract manufacture, of emulsifiers; custom manufacture, in particular including contract manufacture, of wetting preparations for paints and lacquers; custom manufacture, in particular including contract manufacture, of auxiliary fluids for use in the chemical industry; customer consultancy relating to the application and dosage of chemicals for use in industry, namely adhesive agents, antistatic preparations, surfactants (surface-active agents), dispersing agents, waterproofing agents and flame retardants for paints and lacquers, plant protection preparations and other industrial applications; customer consultancy relating to the application and dosage of defoamers for paints and lacquers, defoamers for plant protection preparations and defoamers for other industrial applications; customer consultancy relating to the application and dosage of emulsifiers; customer consultancy relating to the application and dosage of wetting preparations for paints and lacquers; customer consultancy relating to the application and dosage of auxiliary fluids for use in the chemical industry.;