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TongyunPipeTechnicalDepartmentsupportscustomersandinorderto:1)Assistmaterial(standard,grade)selectionandmetallurgicalpropertiesofourproducts2)Assuremetallurgicalpropertiestomeetrequirements.3)Assistinspectionandinterpretationofspecificationstoclassificationsociety4)Recommendmanufactureprocedures5)Investigateproblemswhentheyoccur
chemical testing


Tensile strenght and Yeild strength testing


testing result


thickness testing


water pressure testing


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