AD International: blends, chemistry and knowledge The operations are located in the Netherlands, servicing customers globally through a network of international partners. AD International is the valued partner of choice for surface treatment solutions - used in industrial processes and toll manufacturing for processes tailored to customer specifications in expanding international markets. AD International services its customers through: AD Chemicals B.V. - Metal Surface Treatment chemicals AD Coil Coating Technologies B.V. - Coil Pre-treatment chemicals AD Waalhaven - Industrial Cleaning chemicals AD Magma Industries B.V. - Fire Retardant Technologies AD Productions B.V. - Blending & Toll manufacturing services