No suppliers have established manufacturing plants in LMICs for lenses. Only recently two leading frame and near-vision spectacles manufacturers, Ouhai and Matt (Weilan), opened their first factories in Viet Nam. These factories were established primarily to move part of the production outside mainland China to mitigate the risk of losing global buyers amid increasing international uncertainties. Another goal is to better serve nearby LMIC clients. However, in terms of production capability and efficiency, the suppliers mentioned that China still leads globally, and the Viet Nam plant cannot yet match China’s output level.
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