MBABANE - Unitrans Swaziland, the kingdom’s largest road freight company, has become the first Swaziland freight operator to achieve ISO certification for environmental management and quality management systems. The certification is required to meet European Union and other international standards, which are meant to ensure good labour, safety and environmental conditions. Unitrans recently expanded its facility in Matsapha, and its truck fleet is expected to number 70 by year’s end.