... fittings with ISO 9001:2008 Quality System authentication, China Railway Construction Corporation (CRCC) certificate, AAR and UIC standard ... has been devoting itself to designing and manufacturing trains for 1000 mm, 1067 mm, 1676 mm meter-gauge ... has designed and developed open-top wagon, tank wagon, flat wagon, hopper wagon, grain wagon and covered wagon applicable to countries in Central Asia, ...