... or Q345 3.our C post has been exported to many countries NameMaterialSpecificationProtective finishStandardCertificatesFeaturesC postQ235 Q345 ASTM A361950* ... too. We have ever exported our guardrail and its accessaries to Brazil, Columbia,Chile,Bolivia,England,South Africa, Iran, Vietnam, ... . Any need or question, please don't hesitate to contact Mini. SHANDONG TONGYA TRAFFIC SAFETY FACILITIES CO.,LTD ...