... Test, Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, X-ray Test.Third party inspection:SGS, BV, Lloyds etc.Mill Test ... Scope Of Spiral Pipe5.Manufacturing Process Of Spiral Pipe6.Production Equipment Of Spiral Pipe7. Quality Control Of Spiral Pipe8.Application&Projects ... project needs and suitable steel pipe products for your application! X-Ray Testing Pipe Tianjin Manufacturer