Transnet National Ports Authority (tnpa) has published for a service provider to provide the services of an approved inspection authority (aia) to conduct sample testing on the xb wagons fleet in line with specification ew_klp_spec_2003 in bloemfontein on an "as and when" required basis for a period of four (4) years., bloemfontein. Bidders can get complete Tender details and download the document.