[neverevergiveup]

The various suppliers for specific 737 components are listed here:

http://www.airframer.com/aircraft_detail.html?model=B737

Maybe someone with expertise can sort out which company is likely the supplier of the specific wing parts being recalled. That said, the identity of the company obviously doesn’t tell you where their parts are made - as they may also be outsourcing.

[Rio]

Asco Industries N.V Analysis | News Flap/Slat Mechanisms: Leading edge high lift mechanisms; flap tracks; flap carriages

Curtiss-Wright Flight Systems Analysis | News Flap/Slat Mechanisms: Flap track assembly for outboard & inboard flap system (737-800)

Ellwood Texas Forge Navasota (ETFN) Analysis | News Metal & Alloy Forgings: 15-5PH flap-track forgings

[SkyDancer]

To many to look through. I just remembered a picture of a Chinese worker working on building the wing section for a 737. The outstanding part of that picture was he wasn't wearing eye protection.

Boeing farms out their needs to foreign countries so that those countries would buy their jets since they employ their citizens.