A scaled Vietnam production program runs 90 to 150 days from finalized tech pack to ex-factory. Here is where the days go, which stages flex under pressure, and why early capacity booking is the lever most buyers use too late.

Qualifying a second production origin is a phased process rather than a switch. The proving order, parallel production, and the documentation a receiving factory needs to reproduce what the incumbent already knows.

Sample development is where production risk becomes visible before bulk fabric is cut. A guide to how the two-stage sample process works in Vietnam apparel production, what the quality sample validates before final materials are ordered, what the production sample confirms before bulk commitment, and what buyers should provide to make sampling productive.

Retailer requirements, UFLPA, and CSDDD have moved compliance verification to the front of every sourcing decision. A working guide to Vietnam apparel factory audits, the certifications that carry weight with Western retailers and regulators, and the specific checks buyers should run before placing production orders.

FOB pricing is not a rate card. It is a calculation built from a specific fabric, construction, and quantity. Here is what the number contains, what moves it, and how to arrive at a quote a factory will stand behind.