China produces over 50% of world titanium sponge and the majority of finished mill products. For international buyers, sourcing from China offers 20-40% cost savings but requires knowing how to qualify suppliers. The industry is concentrated in Baoji Shaanxi, known as Titanium Valley, home to over 500 titanium enterprises. The critical distinction: manufacturer versus trading company. Real manufacturers have in-house production, QC labs, and certifications in their own name. Trading companies resell with 10-30% markup and rely on others QC. Verify by requesting factory video tours, checking business licenses for manufacturing scope, and confirming certification holder names match the supplier. Key certifications: ISO 9001 minimum, AS9100D for aerospace, ISO 13485 for medical, NORSOK M-650 for offshore. Always verify certificates in issuing body online database. Material traceability is the weakest link, demand heat numbers traceable to original melt. Five common pitfalls: certification shuffle with different company names, mislabeled grades, surface finish shortcuts, dimensional drift, and fake certificates. Building reliable supply: start with trial orders, use SGS Bureau Veritas TUV third-party inspection, invest in long-term relationships, communicate precisely in writing, audit periodically. Ylasting Titanium is a Baoji-based manufacturer with 10+ years export experience, in-house QC lab, ISO AS CE ISO 13485 certifications, and 100+ country export coverage. Contact us for requirements or factory visits.