Buyer guideThird-Party Inspection RFP: SGS, BV, TUV, DNV, Intertek Compared
How to write a third-party inspection RFP for pipe fittings sourcing from China and compare SGS, Bureau Veritas, TUV, DNV and Intertek capabilities.
Insights
Technical articles, standards comparisons, project case studies and buyer guides on pressure piping components, flanges and forged fittings.
Found us via Google? Get an ASTM/ASME pipe-fittings quote in 4 hours.
Send RFQ15 articles· Buyer guide
Buyer guideHow to write a third-party inspection RFP for pipe fittings sourcing from China and compare SGS, Bureau Veritas, TUV, DNV and Intertek capabilities.
Buyer guideHow international buyers should review a Mill Test Certificate before approving shipment, including EN 10204 3.1 vs 3.2 differences and red flags.
Buyer guideA field-by-field RFQ template for international buyers sourcing pipe fittings from China, covering grade, end prep, NDE, MTC, and Incoterms.
Buyer guideFirst-time China sourcing has two failure modes: trading-companies disguised as factories, and certifications that look impressive but mean nothing. Here is the desktop screening, audit, and RFQ template that filters them out.
Buyer guidePre-shipment inspection is your last cheap chance to reject a defect. Here is the dimensional limits, visual checks, NDT spot-checks, marking verification, and document packet to walk down before the container leaves the port.
Buyer guideThe mill test certificate matters more than the price quote — but only if you know what to look for. Here is the 4-type EN 10204 system, what makes a 3.1 valid, and when 3.2 is mandatory.