Twintech Energy Services provides welding QA / QC inspection services based on requirements of international standard for pipeline transportation systems for liquid hydrocarbons and other liquids, gas transmission and distribution piping systems as well as storage systems. Our Welding inspection is done based on the API Standard 1104 - welding of pipelines and related facilities.

Our Inspectors make sure that all requirements of both construction codes (ASME B31.4 and ASME B31.8) and referenced code (API 1104) AWS B2.1, D1.1 are met. They also check and control all regulatory requirement and supervise/control pipeline contractor construction activities.